Malicious PDF — malware analysis report

Static analysis result for SHA-256 d30dce851f573c02…

MALICIOUS

PDF

96.7 KB
MD5: 088e1845b1e7bc3d907d29603a1597b8 SHA-1: 10b20d49c71cb2fc4578f927b9ffc33747942d1d SHA-256: d30dce851f573c0234e28478880d78a2a7b39ecdc04bc07caeff03c597c69f55
128 Risk Score

Malware Insights

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

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 indicates exploitation of a LibTIFF vulnerability within XFA. ClamAV also detected this file as malware (Pdf.Exploit.Dropped-78). The embedded URL, while seemingly benign, is often used in conjunction with exploit 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.Dropped-78 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Dropped-78
  • 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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