Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa8ba645dd71091b…

MALICIOUS

PDF

24.1 KB
MD5: f5030d99c730b304c82b9ef38cec5e0f SHA-1: 0b8403f6b810f99c0a316bd4c20b19acfdebcadd SHA-256: fa8ba645dd71091b327b147b250543685e843a588e0cade840aea09f0f366088
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file 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 within XFA processing. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a secondary payload. The embedded URL, while seemingly benign, is part of the XFA structure and could be involved 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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