Malicious PDF — malware analysis report

Static analysis result for SHA-256 48524a2470697552…

MALICIOUS

PDF

41.5 KB
MD5: d3e5affcd7c9a585c05cf4e0f9cf9cb1 SHA-1: 0db9d4b9cde492dd4a88626bc7a051f755a7165a SHA-256: 48524a24706975526c9fd8c04e0622a4c57b148f4154ec409f7d480b2b241548
84 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript T1559.001 Component Object Model

The PDF file contains embedded JavaScript and is flagged as obfuscated by ClamAV. The presence of XFA form elements and JavaScript actions suggests an attempt to leverage PDF vulnerabilities for code execution. While the document body is unreadable, the heuristics indicate a malicious script is embedded, likely to download and execute a second-stage payload. The specific URLs extracted are related to XFA specifications but do not provide direct IOCs for malicious activity.

Heuristics 5

  • 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.
  • 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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