Malicious PDF — malware analysis report

Static analysis result for SHA-256 59f018417a97c2fe…

MALICIOUS

PDF

24.1 KB
MD5: 556b7fe9377d0bf6a58fdfaddba6dbbf SHA-1: 465cef3f8ba0b11291d1e66c71ba0afe8fbf09f4 SHA-256: 59f018417a97c2feab14000594aa363b39950a0f02baded3eaf58c63f3def987
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 allows for arbitrary code execution. The embedded URL, while not directly malicious, is associated with XFA templates.

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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