GridinSoft Threat Intelligence

NitroPDF.exe threat report

Detected as Suspicious Object File reputation report
MD5 ad913a972d7df791599cbe61b6d060a5
Latest seen 2022-09-14 23:40:31 (3 years ago)
First seen 2022-09-14 23:40:31 (3 years ago)
Size 7 MB
Publisher Nitro PDF
Product Nitro Pro 10

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Suspicious Object. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.

Detection name
Suspicious Object
Recommended action
Scan and remove
Last analysis
2022-09-14 23:40:31 (3 years ago)
File hash
ad913a972d7df791599cbe61b6d060a5
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Suspicious Object, part of the Susp threat category.

Category context

Suspicious files with signals that require additional review before trust. Related Susp reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2022-09-14 23:40:31 (3 years ago); latest analysis 2022-09-14 23:40:31 (3 years ago).

Publisher context

Company metadata: Nitro PDF. Product metadata: Nitro Pro 10.

Digital signature

Signed by Nitro Software, Inc.. The signature is reported as valid, but signed files can still be bundled or abused.

Observed locations

ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.

Recommended action

What to do next

  1. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the Susp category for related samples and common context.

NitroPDF.exe is a Windows file recorded in the ThreatInfo database. It is associated with Nitro Pro 10. The reported company name is Nitro PDF. The current detection status is Suspicious Object, based on the latest analysis from 2022-09-14 23:40:31 (3 years ago). ThreatInfo groups this verdict with Susp reports for broader family-level investigation.

If NitroPDF.exe appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Suspicious Object.

Product Name: Nitro Pro 10
Company Name: Nitro PDF
MD5: ad913a972d7df791599cbe61b6d060a5
Size: 7 MB
First Published: 2022-09-14 23:40:31 (3 years ago)
Latest Published: 2022-09-14 23:40:31 (3 years ago)
Status: Suspicious Object (on last analysis)
Analysis Date: 2022-09-14 23:40:31 (3 years ago)
NitroPDF.exe detection screenshot

The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.

Signed By: Nitro Software, Inc.
Status: Valid

The signature on NitroPDF.exe is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.

%profile%

ThreatInfo has observed NitroPDF.exe in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.

Windows 10 100.0%

The most common operating system signal for NitroPDF.exe is Windows 10 with 100.0% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.

NitroPDF.exe is identified as pe for 64-bit systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Format pe
Architecture 64-bit
Subsystem Windows GUI
Entry point 0x00290f10
Image base 0x0000000140000000

PE Sections:

Sections 6
Raw data 7973376

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 2951168 bytes · 37.0% of section data
MD5 a0b8f1ffbdec944b2a5ef77f17ac11b8
.rdata 1512448 bytes · 19.0% of section data
MD5 9891eaaa1c2ad763e3f8d3ddf2844033
.data 187904 bytes · 2.4% of section data
MD5 3cb08ebc5bcb301afb673d05c441bd01
.pdata 159232 bytes · 2.0% of section data
MD5 057f0d9fd635b340dccdd77d82614a47
.rsrc 3107328 bytes · 39.0% of section data
MD5 95d3e8ee810ade46fbea3e6d4f01cb59
.reloc 55296 bytes · 0.7% of section data
MD5 4842bb842fff90c9e1245b5f0c82232c

PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.

Report conclusion

GridinSoft detects this file as Suspicious Object

This report identifies NitroPDF.exe by MD5 ad913a972d7df791599cbe61b6d060a5. It is part of the Susp report group. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with ad913a972d7df791599cbe61b6d060a5.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found. Use the Susp category to compare similar reports.