Malicious PDF — malware analysis report

Static analysis result for SHA-256 2891816510804bc7…

MALICIOUS

PDF

22.4 KB Created: 2009-04-24 09:54:29 +02:00 Authoring application: PScript5.dll Version 5.2.2 (via Acrobat Distiller 7.0.5 (Windows))
MD5: 5ef5fb49dd5534641ca1bc086baf53f3 SHA-1: acb748c31fb55ccd90ad7d73941ffe7e57b4b753 SHA-256: 2891816510804bc7d7c6bcade4406078f13653593d5e248060c14876d7230431
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection Heuristics.PDF.ObfuscatedNameObject further suggests malicious obfuscated content. The JavaScript is likely designed to exploit a vulnerability within the PDF viewer to execute arbitrary code, potentially leading to further compromise.

Heuristics 3

  • ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.