Malicious PDF — malware analysis report

Static analysis result for SHA-256 a77ac5ccb7e7ea96…

MALICIOUS

PDF

10.8 KB
MD5: 210d8e93085c827829abef485be33aba SHA-1: a599fb44468507cc354ce63dc6cc99dbb0e89d1e SHA-256: a77ac5ccb7e7ea965281e4d891441114b2e80b179c4257d0e93d2ab0bbbee17a
78 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains obfuscated JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also flagged it with Heuristics.PDF.ObfuscatedNameObject, confirming malicious intent. The JavaScript likely executes a secondary payload, but its exact function is obscured. No document body text was available for further analysis.

Heuristics 4

  • 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.
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.

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