GridinSoft Threat Intelligence

Pdfium.dll file report

Under review File reputation report
MD5 7fb99f3e503fd65594998f6713da85b6
Latest seen 2026-05-02 23:01:07 (3 weeks ago)
First seen 2026-05-02 23:01:07 (3 weeks ago)
Size 4 MB
Publisher Syncfusion Inc.
Product pdfium
Signed by Systweak Software

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2026-05-02 23:01:07 (3 weeks ago); latest analysis 2026-05-02 23:01:07 (3 weeks ago).

Publisher context

Company metadata: Syncfusion Inc.. Product metadata: pdfium.

Digital signature

Signed by Systweak Software. 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. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. Run a local scan if the file appears unexpectedly or starts with Windows.

File context

Pdfium.dll is a Windows file recorded in the ThreatInfo database. It is associated with pdfium. The reported company name is Syncfusion Inc.. The current detection status is Undefined, based on the latest analysis from 2026-05-02 23:01:07 (3 weeks ago).

ThreatInfo does not have a final classification for this file yet. Use the technical details below to compare the hash, size, signature, and observed locations with the copy found on your device.

File Details

Product Name: pdfium
Company Name: Syncfusion Inc.
MD5: 7fb99f3e503fd65594998f6713da85b6
Size: 4 MB
First Published: 2026-05-02 23:01:07 (3 weeks ago)
Latest Published: 2026-05-02 23:01:07 (3 weeks ago)
Status: Undefined (on last analysis)
Analysis Date: 2026-05-02 23:01:07 (3 weeks ago)

Overview

Signed By: Systweak Software
Status: Valid

The signature on Pdfium.dll 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.

Common Places:

%profile%\onedrive\desktop\systweak pdf editor 1.0.0.6719 portable\app\pdfeditor\pdfium

ThreatInfo has observed Pdfium.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.

Geographic signal

Observed country distribution

ThreatInfo has seen Pdfium.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Italy
Share 100.0%
Low High activity

The strongest geographic signal for this file is Italy 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 10 100.0%

The most common operating system signal for Pdfium.dll 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.

Analysis

Pdfium.dll is identified as pe for 64-bit systems. The subsystem is Windows CUI. 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 CUI
Entry point 0x00270a90
Image base 0x0000000180000000

PE Sections:

Sections 12
Raw data 5009920

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

.text 2791424 bytes · 55.7% of section data
MD5 c77a8841e8a044e4c406bc8d5feaeac3
.rdata 2027520 bytes · 40.5% of section data
MD5 db9c668f53e0c673102134d430553599
.data 70144 bytes · 1.4% of section data
MD5 bb1492d53fc5a64eac9e947c150f0222
.pdata 90112 bytes · 1.8% of section data
MD5 ef3053c2c0f80d1d378a7979ef3b5f3b
.00cfg 512 bytes · 0.0% of section data
Uncommon name
MD5 83a0ef4553f0567a61a72d4e6d6571f7
.gxfg 12288 bytes · 0.2% of section data
Uncommon name
MD5 ceb4b1674ded1f06dfbc15d361884fd4
.retplne 512 bytes · 0.0% of section data
Uncommon name
MD5 8c950f651287cbc1296bcb4e8cd7e990
.tls 512 bytes · 0.0% of section data
MD5 adb00c88d5919bab3c4b160cbf2abed5
_RDATA 512 bytes · 0.0% of section data
Uncommon name
MD5 0728821ee2320e4decd6cfd659e52633
malloc_h 512 bytes · 0.0% of section data
Uncommon name
MD5 758f6e3675b70069acda78493b82a063
.rsrc 1024 bytes · 0.0% of section data
MD5 3a37080efd272a700fbad1f19a80597a
.reloc 14848 bytes · 0.3% of section data
MD5 a3c5031ab24e7a6d6acc456c0203b51e

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

This file is still under review

ThreatInfo has not assigned a final verdict yet. Compare the file hash, location, signature, and publisher before trusting the file on a production system.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 7fb99f3e503fd65594998f6713da85b6.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.