Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b075aed6dae89a3…

MALICIOUS

PDF

666.8 KB
MD5: 2cc2f6ddfceeae91904cd6760523882d SHA-1: 45191fcd55e85253f1d99a570c290c9921b98ffa SHA-256: 7b075aed6dae89a30501f8895b90ce5b7acd2fff55addf70429da95ea63eea87
114 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by a machine learning classifier and ClamAV, specifically identified as 'Pdf.Dropper.Agent-7275509-0'. Heuristics indicate the presence of embedded JavaScript and XFA forms, suggesting an attempt to exploit PDF vulnerabilities or deliver malicious content. The ML classifier's high confidence score further supports the malicious nature of the file. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Dropper.Agent-7275509-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7275509-0
  • 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/3.0/
    • http://www.xfa.org/schema/xfa-template/2.8/
    • http://www.xfa.org/schema/xfa-data/1.0/

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