Malicious PDF / .ORG — malware analysis report

Static analysis result for SHA-256 3febfd5da2480e3f…

MALICIOUS

PDF / .ORG

9.1 KB
MD5: a6f9e838a7b3e7dd005bb741154238c1 SHA-1: b86fe3b3b7dfe630562f4076371d7f1f0ada6cb1 SHA-256: 3febfd5da2480e3fb3462e40a77fbbae4592a020edec085d26b523da443bb215
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 as Heuristics.PDF.ObfuscatedNameObject. While the specific JavaScript payload could not be fully analyzed due to obfuscation, it is highly likely designed to download and execute a secondary malicious payload. The lack of document body text limits further analysis of the lure, but the presence of JavaScript points to a common PDF-based attack vector.

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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