Malicious PDF — malware analysis report

Static analysis result for SHA-256 9fb23b121207b08b…

MALICIOUS

PDF

21.0 KB
MD5: dd116b1ed4239c2701c5be4851b7a5cc SHA-1: 7dc6b1f845fa01c72b2d0b32068bc468765c5504 SHA-256: 9fb23b121207b08bcdc26a7c2a3d349f4347d1b4a167acc1b8e2d4240e3ea8e1
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1559.001 Component Object Model Hijacking: Component Object Model

The sample is a PDF document that triggers a critical heuristic for CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component within XFA forms. This indicates the file is designed to execute arbitrary code upon opening in a vulnerable reader. The embedded URL, while seemingly benign, is associated with XFA templates and could be part of the exploit chain.

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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