Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a1d5e0bbe5b8c1a…

MALICIOUS

PDF

24.1 KB
MD5: e0c3485cf4e6bbb08bc64194a5c20fa8 SHA-1: a5361aee286d8265e95fcdfe32765b1f91ae898b SHA-256: 0a1d5e0bbe5b8c1a3fa55fbd7362ca871b92c952e3234a6550c702556341547e
160 Risk Score

Malware Insights

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

The file is a PDF identified as malicious by multiple heuristics, including a critical detection for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. The presence of XFA form elements and the exploit detection strongly suggest that the file is designed to execute arbitrary code upon opening in a vulnerable application. The embedded URL, while seemingly benign, is associated with XFA templates and could be a lure or part of the exploit chain.

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-36821 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36821
  • 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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