Malicious PDF — malware analysis report

Static analysis result for SHA-256 67bd1b1d9b941f6a…

MALICIOUS

PDF

24.3 KB
MD5: ec70d8aebbdd033a239e6e6664927eab SHA-1: 72fddf4beaae023277d63017e84a2c711a8d3730 SHA-256: 67bd1b1d9b941f6a0fc0189a423ec2ea263f24de1ae7baf3e245b3ebc32e17f3
160 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains an embedded XFA form, which is exploited by CVE-2010-0188. This vulnerability allows for arbitrary code execution within Adobe Reader. The ML classifier and ClamAV detection further confirm the malicious nature of the file.

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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