Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c977d6615a8f786…

MALICIOUS

PDF

24.2 KB
MD5: 24957d511001282f3d6382d757d05101 SHA-1: a52e7c5773e30a0599a532dd8d5417ef2c552b8b SHA-256: 3c977d6615a8f786c13f9e4f7b786852a5b4790404eaffa45bf7b0b3de3e6252
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. Heuristics indicate a critical vulnerability, CVE-2010-0188, which is an exploit targeting Adobe Reader's LibTIFF component. This exploit is designed to execute arbitrary code, likely to download and run a second-stage payload. The embedded URL, while seemingly benign, is part of the XFA template structure and may be used in conjunction with the exploit.

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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