Malicious PDF — malware analysis report

Static analysis result for SHA-256 0cba59e65b3ef6c0…

MALICIOUS

PDF

24.1 KB
MD5: 11249595dccf67274d68bbddcc264937 SHA-1: 5d1126f7850a4f340d6030c00776389cf57bff54 SHA-256: 0cba59e65b3ef6c04b433b0e014b7e532b1d284d09432e002e4f0b74c982dde1
160 Risk Score

Malware Insights

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

The file is a PDF that triggers a critical heuristic for CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component within XFA forms. This indicates the document is designed to execute arbitrary code upon opening. The embedded URL, while seemingly benign, is associated with XFA templates and could be a placeholder or part of the exploit chain. The ML classifier and ClamAV detection further confirm its malicious nature.

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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