Malicious PDF — malware analysis report

Static analysis result for SHA-256 e129f43a98685fb9…

MALICIOUS

PDF

11.1 KB
MD5: 222977aace4667aa92438cb4e1f27a4d SHA-1: d6a5c76294788c3cabb8c5e3493862236308d61c SHA-256: e129f43a98685fb977be401c9ac66b576fa73ac188c200ce5d9bee5505e83c64
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 this as Heuristics.PDF.ObfuscatedNameObject. The embedded JavaScript is likely responsible for executing the malicious payload, though its exact function cannot be determined due to obfuscation. The lack of document body text limits the ability to infer user-facing lures.

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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