Malicious PDF — malware analysis report

Static analysis result for SHA-256 14c96865684e05d3…

MALICIOUS

PDF

20.2 KB
MD5: f9dff834598b9ebdefd701a9d025dce3 SHA-1: 0876c38bb24c3b93e71ccb8e87315c113bb631bc SHA-256: 14c96865684e05d3f26f9ff1728f00687e00b9122d2c397bedc77692b05cb176
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 ClamAV and a machine learning classifier. Static analysis detected the use of XFA forms and specifically flagged the CVE-2010-0188 exploit, which targets a vulnerability in Adobe Reader's LibTIFF component to achieve code execution. The embedded URL, while seemingly benign, is part of the XFA template structure and may be used in conjunction with the exploit.

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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