Malicious PDF — malware analysis report

Static analysis result for SHA-256 8419aa6562be1655…

MALICIOUS

PDF

24.1 KB
MD5: c6a3ad323e800477f5d358e803035e8e SHA-1: 4c66bf3bf40076a69a183af87646ee7c26a4162c SHA-256: 8419aa6562be16551430806d982f6097735bbda638d9cf687aa6a2b52604ea31
160 Risk Score

Malware Insights

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

The file is a PDF that exploits CVE-2010-0188, a vulnerability in Adobe Reader's handling of XFA forms and LibTIFF images. 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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