Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e6b14396321e831…

MALICIOUS

PDF

24.1 KB
MD5: e6d93c35b38311614091d37ae87eb717 SHA-1: 2a212036ed7f6bb9df57bed3a4e6a727de9bc6bf SHA-256: 8e6b14396321e83175e85d88baeca6a4c838ee8e60c804d1d41de11c9e0ec32c
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.002 Phishing: Spearphishing Attachment

The sample is a PDF file that contains an embedded XFA form, which is a known vector for exploiting the CVE-2010-0188 vulnerability in Adobe Reader. The heuristic firings strongly indicate exploitation of this vulnerability. The embedded URL, while not directly malicious, is part of the XFA template structure.

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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