Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a0aedf6bc646aaf…

MALICIOUS

PDF

24.1 KB
MD5: d0f5a9a7c8be1851f87df872d4900cd9 SHA-1: 39b30f1b82611543f74caa4710b85959a4b55a3a SHA-256: 5a0aedf6bc646aaffb26fded9b6ce40b03c8d20dc4ecdcfd53197825139dd932
128 Risk Score

Malware Insights

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

The file is a PDF document that contains an XFA form, which is known to be a vector for exploiting vulnerabilities. Specifically, the 'CVE_2010_0188' heuristic indicates exploitation of Adobe Reader via the LibTIFF component. The embedded URL, while seemingly benign, is part of the XFA template structure and could potentially be used to load additional malicious content or scripts. The ClamAV detection further confirms the malicious nature of the file.

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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