Malicious PDF — malware analysis report

Static analysis result for SHA-256 81c47f6b7c769243…

MALICIOUS

PDF

24.1 KB
MD5: ce59265525f655fef61355547a8d5fad SHA-1: ed55e745becee6ec231a715d1f0f9ec7b78e19e8 SHA-256: 81c47f6b7c769243c68bd90dd589fd1b4e11d8f33e6abd89de006e41b72ed328
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The file is a PDF document that leverages an XFA form to exploit CVE-2010-0188, a known vulnerability in Adobe Reader's LibTIFF component. This exploit is designed to execute a payload, as indicated by the critical heuristic firings. The embedded URL, while seemingly benign, is part of the XFA structure and could potentially be used in 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-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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