Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9bf61c1b40bfc71…

MALICIOUS

PDF

24.1 KB
MD5: e3c7d1c91115144427f11414b1d9229e SHA-1: 843e6e86e7b2b5376ec575c89d8771adbde0484e SHA-256: f9bf61c1b40bfc714891e833f8a66e55e6bfe41fd9c2c461ff74e36326f1b1dd
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The sample is a PDF document that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA functionality. The embedded URL, while seemingly benign, is part of the exploit's structure. The ClamAV detection further confirms its malicious nature. The exploit likely leads to the execution of a secondary payload, though the specific mechanism is not detailed in the provided heuristics.

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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