Malicious PDF — malware analysis report

Static analysis result for SHA-256 6eb9bb09265171d6…

MALICIOUS

PDF

24.1 KB
MD5: 7d26012f3c786e4c38cbd864836c5b78 SHA-1: 014d536a1cadd653c03764874f0270f7e334bffa SHA-256: 6eb9bb09265171d6eed8ad427bb7ed1d926c2f84d7a34e1fa94e4089fe4810b4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The sample is a PDF file identified as malicious by multiple heuristics, including a critical detection for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the file is designed to exploit a client execution vulnerability. The presence of an embedded URL, though benign in this case, is typical for malware attempting to download additional stages. The XFA form structure further supports the exploit vector.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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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