Malicious PDF — malware analysis report

Static analysis result for SHA-256 40ea74c5bda81f89…

MALICIOUS

PDF

24.1 KB
MD5: c1c8b7b212a22ea70cccc53c37177969 SHA-1: 220069dbb6ad51969e70d7b33324324429dc2b1d SHA-256: 40ea74c5bda81f89f313b1a79a890b5793d7ee18b22ad683835ec52927806ca4
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF document that contains an XFA form, which is a known vector for exploitation. 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 is likely related to the XFA template but does not appear to be a direct payload delivery mechanism.

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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