Malicious PDF — malware analysis report

Static analysis result for SHA-256 8bf8c31c0f9f65c0…

MALICIOUS

PDF

24.1 KB
MD5: 23af63327e6effcd8ff7db92fc72a162 SHA-1: 1d833404c559739efb8a962854a680dce82e20e7 SHA-256: 8bf8c31c0f9f65c0d7f7d5214f80c94496fc0b3ff47d88d1dc5f77ba9d2490ac
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF document that contains an XFA form, which is a known vector for exploiting vulnerabilities in Adobe Reader. Specifically, the 'CVE_2010_0188' heuristic indicates exploitation of the LibTIFF vulnerability. The embedded URL, while not directly malicious in this context, is part of the XFA template structure. The primary attack pattern is the exploitation of CVE-2010-0188 for client-side code execution.

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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