Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f7edbee96b82faf…

MALICIOUS

PDF

92.3 KB
MD5: f8ccec9da3a1f00f715c91a666219b12 SHA-1: 2db6d3baed4530b73d58a7d8a2c482d4a160b4a3 SHA-256: 6f7edbee96b82faf4417c541b56e2588a34547d113c0cc4e727440236e3fd686
160 Risk Score

Malware Insights

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

The file is a PDF that contains an XFA form, which is being exploited via CVE-2010-0188, a known vulnerability in Adobe Reader's LibTIFF processing. This exploit is designed to achieve code execution on the victim's machine. The embedded URL, while likely benign in this context, is associated with XFA templates and could potentially be used in a more complex attack 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.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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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