Malicious PDF — malware analysis report

Static analysis result for SHA-256 fedf44f313970cc0…

MALICIOUS

PDF

24.2 KB
MD5: 0e6b141af98ad72a4e8f0695a63953c5 SHA-1: 2ac0c9376eb811dfc5e32155b0e0df82c1d53fd0 SHA-256: fedf44f313970cc0f42ce5289084afc1353b3b305c56d2149ad31c0741239dc9
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. Specifically, the critical heuristic firing indicates a CVE-2010-0188 exploit targeting Adobe Reader's LibTIFF component. This exploit likely allows for arbitrary code execution upon opening the document. The embedded URL, while seemingly benign, is part of the XFA template structure and could be used in conjunction with the exploit.

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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