Malicious PDF — malware analysis report

Static analysis result for SHA-256 a40a89d4ee8734eb…

MALICIOUS

PDF

24.2 KB
MD5: 197d3c41e857c8a06728eb4e68258b29 SHA-1: 6fe8e4239a65295d7f2bdcb02e76e4c068969ff7 SHA-256: a40a89d4ee8734ebd1a7ed5d4e3f02338f12e8634ade7c16f68a44988bb03bf3
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains an embedded XFA form. Static analysis identified a critical heuristic firing for CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component via XFA forms. This indicates the file is designed to deliver a payload by exploiting this known vulnerability. An embedded URL was also found, likely related to the exploit or payload delivery.

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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