Malicious PDF — malware analysis report

Static analysis result for SHA-256 08a3c3cfc20702ca…

MALICIOUS

PDF

24.1 KB
MD5: dd33edf3e1bfb5476b8e00cd084348e2 SHA-1: 1136704e8579bd06ee869fc4937d623464bde7f2 SHA-256: 08a3c3cfc20702caf77cd9eb4367bb15c08f7b602bb773d6715a11a78b5d93a2
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, which is an Adobe Reader exploit targeting XFA forms. The ML classifier also flagged it with high confidence. The embedded URL is likely part of the exploit chain or a secondary download source.

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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