Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e99e8921e36e4eb…

MALICIOUS

PDF

23.9 KB
MD5: 77b45fb97ea58448bd71418fbcb63fe9 SHA-1: 3ff384c6ed533a55caf01f9e1381863326719313 SHA-256: 6e99e8921e36e4eb77fb67c82a12b474b1814d22e03afd0e9edff93e4406f4c5
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 known to be vulnerable to exploits like CVE-2010-0188. The heuristic firings and ClamAV detection strongly indicate exploitation for client execution. The embedded URL is likely related to the exploit or a subsequent payload download.

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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