Malicious PDF — malware analysis report

Static analysis result for SHA-256 2159a5111a9eecb0…

MALICIOUS

PDF

28.1 KB
MD5: ebf602f3c2fe7a07058d21356941b0c8 SHA-1: 30643dbd083f064a0d222244c87ae0c5133a9e47 SHA-256: 2159a5111a9eecb0386fd34ee998455702986b9615c0b70f75f22ee461789498
98 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically detecting embedded JavaScript exploits. The presence of an XFA form and an embedded URL further supports this. The embedded JavaScript is likely used to download and execute a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.xfa.org/schema/xfa-template/2.5/

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