Malicious PDF — malware analysis report

Static analysis result for SHA-256 50e5a9c15047eec7…

MALICIOUS

PDF

24.2 KB
MD5: 7a4b4f9d70f0dcf5f8757d55a64b116c SHA-1: d855c5248cc2114264bf0812577786d2aabc0dfb SHA-256: 50e5a9c15047eec7d78a5c1d6022f20e1e957d3857e98b0b8bcbcf100506516f
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that contains an XFA form, which is a known vector for exploiting Adobe Reader vulnerabilities. Specifically, the 'CVE_2010_0188' heuristic firing indicates exploitation of the LibTIFF vulnerability within Adobe Reader's XFA processing. This exploit is designed to execute arbitrary code, likely leading to the download and execution of a second-stage payload. The embedded URL, while seemingly benign, is part of the exploit chain.

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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