Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e74e12ea8b10157…

MALICIOUS

PDF

24.1 KB
MD5: 76cf812887f8804fac6dd034e6e9033c SHA-1: 82197cd2a4f3c6870b3ea67ae2f3ad84563bb904 SHA-256: 7e74e12ea8b10157c67ead646385c503cc13909385f45a39928bbddfe2e5526e
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 related to XFA forms. This exploit is designed to achieve arbitrary code execution. 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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