Malicious PDF — malware analysis report

Static analysis result for SHA-256 4965868f3cbdae27…

MALICIOUS

PDF

25.1 KB
MD5: 07a1232645b18c632161ab4b0fae4b48 SHA-1: f549bff287f86c10bfefe14e0f7d780bbf178125 SHA-256: 4965868f3cbdae27ef7f8e24363e93733a8bce26db7f3ee1107c913980f619d0
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded and obfuscated JavaScript, as indicated by multiple heuristic firings including ClamAV's detection of 'Heuristics.PDF.ObfuscatedNameObject'. This JavaScript is likely responsible for executing a malicious payload, potentially involving the use of PowerShell or Visual Basic for further execution. The exact nature of the payload could not be determined due to obfuscation.

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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