Malicious PDF — malware analysis report

Static analysis result for SHA-256 b662afe3bbf37fe7…

MALICIOUS

PDF

24.5 KB
MD5: 5aedba23c31e8be4a720c68f5d889802 SHA-1: 89cedf538f36da4f0ae066780c69e6ab06393066 SHA-256: b662afe3bbf37fe7ba8f162136ad32ebc0e24bd2d99e04bff9aa83ee33248b81
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains an XFA form, which is a known vector for exploits. Static analysis identified a critical heuristic match for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the file is designed to exploit this vulnerability to execute arbitrary code. The embedded URL, while not directly malicious in reputation, is part of the XFA structure and likely related to the exploit 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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