Malicious PDF — malware analysis report

Static analysis result for SHA-256 c15a64fefcc84876…

MALICIOUS

PDF

24.1 KB
MD5: a697558e45b6e68bd017fe187feb91ee SHA-1: 8a4a4c0ba14c94514a48a937b222484d87be3170 SHA-256: c15a64fefcc84876b0570e57410addb6cb3949f36adfa3d1e17d574beb5e12b9
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 Adobe Reader vulnerabilities. Specifically, the critical heuristic firing indicates a match for CVE-2010-0188, an exploit targeting LibTIFF within Adobe Reader's XFA processing. This exploit likely leads to arbitrary code execution. The embedded URL, while not directly malicious in this context, is part of the XFA structure.

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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