Malicious PDF — malware analysis report

Static analysis result for SHA-256 6299b743616571cf…

MALICIOUS

PDF

24.1 KB
MD5: eebb66bc4c20736ed5874b5a6f6f9b0b SHA-1: c9bf6fc624a8d98ec8c09bb8a9593ce25b07e2b1 SHA-256: 6299b743616571cf4d0b4253d7c3e729f5e02df3f4f56fff8eb80e2edfb5bf78
160 Risk Score

Malware Insights

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

The PDF sample contains an XFA form and triggers a critical heuristic for CVE-2010-0188, indicating exploitation of Adobe Reader. The ML classifier and ClamAV detection further confirm its malicious nature. The embedded URL is likely part of the exploit chain, though its specific role is not detailed.

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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