Malicious PDF — malware analysis report

Static analysis result for SHA-256 b643726367241ad1…

MALICIOUS

PDF

24.1 KB
MD5: e0f4988d7ff3372638390fd16562c108 SHA-1: 26c643e9736d5ce0e3e26adce8e04ac1094c0ce3 SHA-256: b643726367241ad181d0597fd3785ee0ab92e39aa932881f414eb7460e7fd061
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

The sample is a PDF file identified as malicious by ClamAV, specifically triggering critical heuristics for CVE-2010-0188, an exploit targeting Adobe Reader's XFA forms. The embedded URL, while seemingly benign, is part of the XFA structure. The document body contains obfuscated JavaScript-like content that likely contributes to the exploit chain, though its exact function is obscured. The primary attack vector is the exploitation of the CVE-2010-0188 vulnerability.

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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