Malicious PDF — malware analysis report

Static analysis result for SHA-256 659c980714948bff…

MALICIOUS

PDF

20.1 KB
MD5: 0d55ccaa82b107619b270558fd2bde52 SHA-1: 3bf94eb7b5159fae3dfdc9334a9712c17fbe7f46 SHA-256: 659c980714948bff0549d48b60476a6f059ba5c28e70596794c909ce0a496be7
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The file is a PDF document identified as malicious by multiple heuristics, including a critical finding for CVE-2010-0188, an Adobe Reader exploit targeting XFA forms. The ML classifier also flagged it with high confidence. The embedded URL, while benign in reputation, is part of the XFA template structure, indicating the exploit's likely vector. The exploit's purpose is to achieve client-side execution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
  • ClamAV: Pdf.Exploit.Agent-36826 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36826
  • 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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