GridinSoft Threat Intelligence
pdf.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2017-05-21 21:04:38 (9 years ago); latest analysis 2022-12-31 23:19:24 (3 years ago).
Product metadata: Chrome PDF Viewer.
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
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
pdf.dll is a Windows file recorded in the ThreatInfo database. It is associated with Chrome PDF Viewer. The current detection status is Undefined, based on the latest analysis from 2022-12-31 23:19:24 (3 years 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: | Chrome PDF Viewer |
| MD5: | f968736dc45e149db41c28921ced6f6e |
| Size: | 8 MB |
| First Published: | 2017-05-21 21:04:38 (9 years ago) |
| Latest Published: | 2022-12-31 23:19:24 (3 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2022-12-31 23:19:24 (3 years ago) |
Common Places:
| %localappdata%\browserair\application\47.0.0.5 |
| %localappdata%\browserair\application |
ThreatInfo has observed pdf.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 pdf.dll across 10 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Portugal with 15.4% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for pdf.dll is Windows 7 with 46.2% 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
pdf.dll is identified as pe for 32-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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
78e7e86dffe5676306b6f14c7919d8cb
64fdad7e7750f1710b2820ee566382aa
c5f70febea4d005a7633aa89dc945d08
bf619eac0cdf3f68d496ea9344137e8b
963c47e5c7cf3e2210166bdf019f972a
591d1dd88400f7643d01955a5d262555
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.