Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b100c01a0900a02…

MALICIOUS

PDF

92.7 KB
MD5: a814038d51594d8df115bd3605c076f5 SHA-1: 58504af38ef6d7289c17bbfc7aa051501e364dd0 SHA-256: 2b100c01a0900a022456b1309f1fa98ba83822353b0777216855e3bdd273912a
128 Risk Score

Malware Insights

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

The PDF file contains an XFA form, which is a known vector for exploiting vulnerabilities in Adobe Reader. Specifically, the heuristic firing for CVE-2010-0188 indicates exploitation of a LibTIFF vulnerability within XFA processing. ClamAV also detected this as Pdf.Exploit.Dropped-78, confirming its malicious nature. The embedded URL is likely related to the exploit delivery mechanism.

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/