Malicious PDF — malware analysis report

Static analysis result for SHA-256 c46052c7d25baf61…

MALICIOUS

PDF

24.0 KB
MD5: 17aa71b56abfd174074457c0e14cd5f9 SHA-1: 66cc913f30ea1d7e4945e6ba228d759a28864311 SHA-256: c46052c7d25baf61d8fff7587a07919fdc2579753cc79b78061852892d3773d1
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.004 Command and Scripting Interpreter: PowerShell

The critical heuristic firings for CVE-2010-0188 and ClamAV detection indicate exploitation of a known Adobe Reader vulnerability. The XFA form structure is commonly used to embed exploits. The embedded URL, while benign-looking, is associated with the XFA schema and likely serves as a lure or part of the exploit chain.

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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