Malicious PDF — malware analysis report

Static analysis result for SHA-256 519162fe0e218d17…

MALICIOUS

PDF

10.6 KB
MD5: c55395c480e3c657c1721402944e33e3 SHA-1: e91ba7e5383948abe47f3a1d4d4c6c89a35e8d41 SHA-256: 519162fe0e218d17d56061f6f8d74b47e0d81f7934e0b440185d062e57f1d7ba
78 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. ClamAV also flagged it with Heuristics.PDF.ObfuscatedNameObject, suggesting a deliberate attempt to hide malicious content. The JavaScript likely executes a malicious payload, though its exact function cannot be determined without further analysis of the obfuscated code.

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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