Malicious PDF — malware analysis report

Static analysis result for SHA-256 303e514b00e1a443…

MALICIOUS

PDF

24.2 KB
MD5: 26d559438718341f738c1f2058dec8fb SHA-1: 88568c2fd5ebcb03c1125c02cac65f666bcf4f4b SHA-256: 303e514b00e1a4435fefe1829bb58afdb4c5864ac35354304ea7bb1473b3a344
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 exploiting Adobe Reader vulnerabilities. Specifically, the CVE-2010-0188 heuristic indicates exploitation of a LibTIFF vulnerability within XFA processing. The embedded URL, while seemingly benign, is part of the XFA structure and could potentially be used in conjunction with the exploit. 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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