Malicious PDF — malware analysis report

Static analysis result for SHA-256 f16dc221454ac079…

MALICIOUS

PDF

1.6 KB
MD5: 025095f1b2d77940dcee1354e32d6913 SHA-1: ebf706cdff193025d6e6537c722d6b30e5a306eb SHA-256: f16dc221454ac07993e78eccf3b3581a370656376aa4c85039fa8772f415e1b2
76 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 as Heuristics.PDF.ObfuscatedNameObject. The embedded JavaScript is likely responsible for executing the malicious payload, but its exact function could not be determined due to obfuscation. The lack of readable document body text and the nature of the heuristics suggest a delivery mechanism rather than a direct user-facing lure.

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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