Malicious PDF — malware analysis report

Static analysis result for SHA-256 542d240568f4232e…

MALICIOUS

PDF

20.3 KB
MD5: 447524d4655c4705688b42929969b939 SHA-1: ef83b974912aae4fffc9d2a443cdbee151ee7afb SHA-256: 542d240568f4232e4ddd963c933429749879ee13971d67820583d856ef5e63ad
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that leverages the XFA form functionality to exploit CVE-2010-0188 in Adobe Reader. This exploit is known to download and execute a second-stage payload. The embedded URL, while seemingly benign, is part of the XFA template structure and likely used in conjunction with the exploit.

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-36826 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36826
  • 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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