Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d3a5c12af49590f…

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: 93a6a66bfdf598e6ef08b5a6281b2246 SHA-1: 05449f1ffe816526a1adfe7712b5cadebe44b60e SHA-256: 8d3a5c12af49590f49fb6b8158ef88615fc3a4b134fc2909a3283e6262438f0e
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains obfuscated JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Heuristics.PDF.ObfuscatedNameObject' further supports the presence of malicious obfuscation. The JavaScript appears to be designed to execute arbitrary code, likely for downloading and running a secondary payload. The authoring application information is also included as a potential IOC.

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.

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