GridinSoft Threat Intelligence
pdfact.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2025-06-16 23:01:09 (11 months ago); latest analysis 2025-06-16 23:01:12 (11 months ago).
Company metadata: ©2024 Sogou.com Inc.All rights reserved.. Product metadata: 阅读器功能模块.
Signed by Beijing Sogou Technology Development Co., Ltd.. The signature is reported as valid, but signed files can still be bundled or abused.
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
pdfact.dll is a Windows file recorded in the ThreatInfo database. It is associated with 阅读器功能模块. The reported company name is ©2024 Sogou.com Inc.All rights reserved.. The current detection status is Undefined, based on the latest analysis from 2025-06-16 23:01:12 (11 months 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: | 阅读器功能模块 |
| Company Name: | ©2024 Sogou.com Inc.All rights reserved. |
| MD5: | e6b930b9360787db168f2d13737f02ea |
| Size: | 2 MB |
| First Published: | 2025-06-16 23:01:09 (11 months ago) |
| Latest Published: | 2025-06-16 23:01:12 (11 months ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-06-16 23:01:12 (11 months ago) |
Overview
| Signed By: | Beijing Sogou Technology Development Co., Ltd. |
| Status: | Valid |
The signature on pdfact.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:
| %localappdata% |
| %localappdata%\sogoupdf\ktool_update\kdownload |
ThreatInfo has observed pdfact.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 pdfact.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is United States 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:
The most common operating system signal for pdfact.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
pdfact.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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
623635612e5cfac00d1f23352b7b3a4b
857e495d0c5fc195f50f3f22ad224a69
92df33ef18015b829a032fec3058bce0
6ca8a08e07c6f339d8b5dc04451348a7
1df696384567ff9a600b62da286c64f5
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.