Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e20c4649b120f8b…

MALICIOUS

PDF

46.0 KB
MD5: 93d2f270432c39b5c9b6b4da7413c3cf SHA-1: 52f6bd26e1ad62bfd241e60afb0f399cb7874c7d SHA-256: 4e20c4649b120f8bf5fd634b325eda8174e23859ec679e42e1d5c5c519a94e55
114 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of JavaScript actions and embedded JS streams points to the execution of code within the PDF, which is commonly used to download and execute further malicious payloads. The document body is truncated and unreadable, providing no additional context.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9721

Heuristics 5

  • ClamAV: Pdf.Dropper.Agent-1507023 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-1507023
  • 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.
  • 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://ns.adobe.com/xdp/
    • http://www.xfa.org/schema/xci/2.6/
    • http://www.xfa.org/schema/xfa-template/2.6/

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