Malicious PDF — malware analysis report

Static analysis result for SHA-256 805799e118a38cba…

MALICIOUS

PDF

24.0 KB
MD5: 727296686523d0e8b04e68381103b9e5 SHA-1: 28a10b44b54d78db53d919b6e389b63647bdb5c7 SHA-256: 805799e118a38cba1f17942c75424452081fcab50d240a65fef19caab0d88609
160 Risk Score

Malware Insights

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

The file is a PDF that exploits the CVE-2010-0188 vulnerability in Adobe Reader's handling of XFA forms. This exploit is designed to achieve code execution on the victim's machine. The embedded URL, while seemingly benign, is associated with XFA templates and could be a lure or part of the exploit chain. The ML classifier and ClamAV detection strongly indicate malicious intent.

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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