GridinSoft Threat Intelligence

ezPDFBook30.dll file report

Under review File reputation report
MD5 4434cf3ffa8423cf07b1c36ee2365d91
Latest seen 2025-06-16 23:01:19 (a year ago)
First seen 2025-06-12 23:00:56 (a year ago)
Size 18 MB
Publisher UNIDOCS, INC.
Product ezPDF Reader

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2025-06-12 23:00:56 (a year ago); latest analysis 2025-06-16 23:01:19 (a year ago).

Publisher context

Company metadata: UNIDOCS, INC.. Product metadata: ezPDF Reader.

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.

ezPDFBook30.dll is a Windows file recorded in the ThreatInfo database. It is associated with ezPDF Reader. The reported company name is UNIDOCS, INC.. The current detection status is Undefined, based on the latest analysis from 2025-06-16 23:01:19 (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: ezPDF Reader
Company Name: UNIDOCS, INC.
MD5: 4434cf3ffa8423cf07b1c36ee2365d91
Size: 18 MB
First Published: 2025-06-12 23:00:56 (a year ago)
Latest Published: 2025-06-16 23:01:19 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-06-16 23:01:19 (a year ago)
%programfiles%

ThreatInfo has observed ezPDFBook30.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.

Windows 10 100.0%

The most common operating system signal for ezPDFBook30.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.

ezPDFBook30.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 0x009ee654
Image base 0x10000000

PE Sections:

Sections 5
Raw data 19648000

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

.text 11931648 bytes · 60.7% of section data
Large raw data
MD5 fd9c5eb951c82f37e4e71495d4be3854
.rdata 2326528 bytes · 11.8% of section data
MD5 792a6ca4a9bc9e53ec8c856bf5e93ad1
.data 434176 bytes · 2.2% of section data
MD5 099cff6854b27e5564331e5d3d2bd5e7
.rsrc 4335104 bytes · 22.1% of section data
MD5 352e6cef0eb79fe520ff599b2ec27a4c
.reloc 620544 bytes · 3.2% of section data
MD5 8d00b45814190c3f0b1fcc75c65192ee

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 4434cf3ffa8423cf07b1c36ee2365d91.
  • 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.