pdflib.dll file report

MD5 79294705a0d70053ac51ea620ebaad2e
Latest seen 2025-02-28 23:01:12 (a year ago)
First seen 2025-02-28 23:01:12 (a year ago)
Size 4 MB
Publisher PDFlib GmbH

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2025-02-28 23:01:12 (a year ago); latest analysis 2025-02-28 23:01:12 (a year ago).

Publisher context

Company metadata: PDFlib GmbH. Product metadata: PDFlib for Windows (32bit).

Digital signature

Signed by Shanghai Hudun Information Technology Co., Ltd.. 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.

pdflib.dll is a Windows file recorded in the ThreatInfo database. It is associated with PDFlib for Windows (32bit). The reported company name is PDFlib GmbH. The current detection status is Undefined, based on the latest analysis from 2025-02-28 23:01:12 (a year 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.

Product Name: PDFlib for Windows (32bit)
Company Name: PDFlib GmbH
MD5: 79294705a0d70053ac51ea620ebaad2e
Size: 4 MB
First Published: 2025-02-28 23:01:12 (a year ago)
Latest Published: 2025-02-28 23:01:12 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-02-28 23:01:12 (a year ago)

The signature on pdflib.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.

%appdata%\hudun\hudunimageconverter\resources

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.

100.0%

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

Windows 10 100.0%

The most common operating system signal for pdflib.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.

pdflib.dll is identified as pe for 32 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base: 0x55300000
Entry Address: 0x002266c5

PE Sections:

Name Size of data MD5
.text 2376192 9c447a85399e473aefa50b5c2e73afdd
.rdata 2406912 96102677aa2616d48fac2214a8e3eed3
.data 50688 4d55a9c13c3951586e472d89d8411025
.rsrc 27136 0007153f1839d6ff774c27e07d92a1c9
.reloc 235520 b18c60641af87f3b002b49538b82430a

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.

More information: