Malicious PDF — malware analysis report

Static analysis result for SHA-256 db5a04033b3897d4…

MALICIOUS

PDF

24.1 KB
MD5: 11f4931f1b036f8b0639d8374ba6f0fc SHA-1: 55f2e5855f40a647be5e0d7a78070c4cb21e991a SHA-256: db5a04033b3897d410e492a07722bf6abcd57c9ae08d82c6e4833bfb17bba658
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 known to be a vector for exploits. Static analysis identified a critical heuristic match for CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component via XFA. This indicates the file is designed to leverage this vulnerability for initial code execution. The embedded URL, while benign in reputation, 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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