Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b3908237caf9046…

MALICIOUS

PDF

24.1 KB
MD5: bb517677d6cf5e0c43c11e747a7fe33c SHA-1: 2fdeb3805c1d685526ecb197449cbeb6906bf2b7 SHA-256: 7b3908237caf90468469e1d4eafd3c53c4ca4522d968675efc31763a9ffb0371
128 Risk Score

Malware Insights

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

The sample is a PDF document that leverages the CVE-2010-0188 exploit targeting Adobe Reader's LibTIFF component via XFA forms. This exploit is known to be used for delivering secondary payloads. The embedded URL, while seemingly benign, is associated with XFA templates and could be a lure or 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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