Malicious PDF — malware analysis report

Static analysis result for SHA-256 03a5832d7502ade5…

MALICIOUS

PDF

24.1 KB
MD5: e0aec9f4a53c44eacf7598a7081d54dc SHA-1: 898f37d85d90985c260c63408a8d66aaf4d0640b SHA-256: 03a5832d7502ade5a57441786935dd422ac975949535f4c32d3d348da296e3f1
160 Risk Score

Malware Insights

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

The file is a PDF document that leverages the XFA form functionality to exploit CVE-2010-0188 in Adobe Reader. This exploit allows for the execution of arbitrary code, indicated by the 'Pdf.Exploit.Agent-36821' ClamAV detection and the ML classifier's high confidence. The embedded URL, while seemingly benign, is present within the document structure and could potentially be used in conjunction with the exploit.

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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