GridinSoft Threat Intelligence

PDFLib.dll threat report

Detected as Worm.Ramnit File reputation report
MD5 9f3498fdc3c30c72b01162389994ae90
Latest seen 2021-01-06 08:37:58 (5 years ago)
First seen 2021-01-06 08:37:58 (5 years ago)
Size 880 KB
Publisher SEIKO EPSON CORP.
Product EPSON PDF Library

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Worm.Ramnit. 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
Worm.Ramnit
Recommended action
Scan and remove
Last analysis
2021-01-06 08:37:58 (5 years ago)
File hash
9f3498fdc3c30c72b01162389994ae90
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Worm.Ramnit.

Timeline

First seen 2021-01-06 08:37:58 (5 years ago); latest analysis 2021-01-06 08:37:58 (5 years ago).

Publisher context

Company metadata: SEIKO EPSON CORP.. Product metadata: EPSON PDF Library.

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.

File context

PDFLib.dll is a Windows file recorded in the ThreatInfo database. It is associated with EPSON PDF Library. The reported company name is SEIKO EPSON CORP.. The current detection status is Worm.Ramnit, based on the latest analysis from 2021-01-06 08:37:58 (5 years ago).

If PDFLib.dll 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 Worm.Ramnit.

File Details

Product Name: EPSON PDF Library
Company Name: SEIKO EPSON CORP.
MD5: 9f3498fdc3c30c72b01162389994ae90
Size: 880 KB
First Published: 2021-01-06 08:37:58 (5 years ago)
Latest Published: 2021-01-06 08:37:58 (5 years ago)
Status: Worm.Ramnit (on last analysis)
Analysis Date: 2021-01-06 08:37:58 (5 years ago)

Detection screenshot

PDFLib.dll 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.

Common Places:

%programfiles%\epson software\event manager\assistants

ThreatInfo has observed PDFLib.dll 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.

Geography:

1 observed countries
100.0%

The strongest geographic signal for this file is Philippines with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 7 100.0%

The most common operating system signal for PDFLib.dll is Windows 7 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.

Analysis

PDFLib.dll is identified as pe for 32-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 32-bit
Subsystem Windows GUI
Entry point 0x000ac000
Image base 0x10000000

PE Sections:

Sections 6
Raw data 897024

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

.text 368640 bytes · 41.1% of section data
MD5 1a3bec5c57afc0774aa07dd10f91faeb
.rdata 155648 bytes · 17.4% of section data
MD5 55ce7b8c544d499761e30a874a4dd1e9
.data 61440 bytes · 6.8% of section data
MD5 a960c52a505ab75cce1863db1d71da0e
.rsrc 4096 bytes · 0.5% of section data
MD5 11c056f9a7fed46734ffc4ba46438ee2
.reloc 28672 bytes · 3.2% of section data
MD5 1196ffdb7332a273b65b0498e802fa42
.text 278528 bytes · 31.1% of section data
MD5 ed8558bfb6402b7a90ee93e1dd896ff8

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 Worm.Ramnit

This report identifies PDFLib.dll by MD5 9f3498fdc3c30c72b01162389994ae90. 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 9f3498fdc3c30c72b01162389994ae90.
  • 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.