GridinSoft Threat Intelligence

ezPDFBook30.dll file report

Under review File reputation report
MD5 6c001b522e79d0e1a6acf9e7831c000b
Latest seen 2025-06-16 23:01:19 (a year ago)
First seen 2020-12-06 09:12:00 (5 years ago)
Size 14 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 2020-12-06 09:12:00 (5 years 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.

File context

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.

File Details

Product Name: ezPDF Reader
Company Name: UNIDOCS, INC.
MD5: 6c001b522e79d0e1a6acf9e7831c000b
Size: 14 MB
First Published: 2020-12-06 09:12:00 (5 years 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)

Common Places:

%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.

Geographic signal

Observed country distribution

ThreatInfo has seen ezPDFBook30.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Korea, Republic of
Share 100.0%
Low High activity

The strongest geographic signal for this file is Korea, Republic of 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 88.2%
Windows 7 11.8%

The most common operating system signal for ezPDFBook30.dll is Windows 10 with 88.2% 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

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 0x0070122c
Image base 0x10000000

PE Sections:

Sections 5
Raw data 15374848

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

.text 8429568 bytes · 54.8% of section data
Large raw data
MD5 19101bfee44dda29193572ce01fec492
.rdata 1785344 bytes · 11.6% of section data
MD5 1642c4695acf37c4b2df0ff12bf00495
.data 371200 bytes · 2.4% of section data
MD5 6061ddbb5739eaa1c859f0bff1c1c403
.rsrc 4335104 bytes · 28.2% of section data
MD5 7990ec2be192f8d630414e8bc1a7367d
.reloc 453632 bytes · 3.0% of section data
MD5 d5d3b3d0a409767fa5ca47199b8253e6

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 6c001b522e79d0e1a6acf9e7831c000b.
  • 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.