Malicious PDF — malware analysis report

Static analysis result for SHA-256 a06ba45f4aabf42c…

MALICIOUS

PDF

41.5 KB
MD5: d41d1abbfabface328819c9976206a5e SHA-1: 28e9dda1fea3964f110597b76cc9c0a0cbd9a30d SHA-256: a06ba45f4aabf42c4d450825b60898519ccee23c2afc2a383c50ff0cec814da6
84 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file exhibits characteristics of malicious intent, including embedded JavaScript and XFA form elements, which are often used to conceal malicious code. ClamAV detected this file as Heuristics.PDF.ObfuscatedNameObject, indicating a known malware pattern. The embedded JavaScript, though obfuscated, suggests an attempt to execute arbitrary code, likely for downloading and executing a second-stage payload. The presence of XFA forms further supports the possibility of complex, potentially malicious, scripting.

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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