Malicious PDF — malware analysis report

Static analysis result for SHA-256 6cf01ffa9e918258…

MALICIOUS

PDF

24.3 KB
MD5: 478f361aac5234caae9623aec41b3c93 SHA-1: 8c43135137bfb4d7c583d800ec7a88afb3b4b840 SHA-256: 6cf01ffa9e91825837eceae0a76348617f0f30fb026b9d97a965c5b88ec0d82f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

The file is a PDF that exploits CVE-2010-0188, a vulnerability in Adobe Reader's handling of XFA forms. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URL, while seemingly benign, is associated with XFA templates and could be part of the exploit chain or a lure.

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: Js.Exploit.HTML-30 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Js.Exploit.HTML-30
  • 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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