Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e9a86b8231d16c8…

MALICIOUS

PDF

24.1 KB
MD5: 3ac31cbc8b0aabe872252f73120ef3ef SHA-1: e781aed78f4b0e47c742d7cfdba39fcb8feb3a2a SHA-256: 8e9a86b8231d16c89c54c64fe0b7dd81106327b0b170728e4636e6bd8a161c36
128 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Phishing: Spearphishing Attachment

The PDF file contains an embedded XFA form which is known to be vulnerable to CVE-2010-0188, an exploit targeting Adobe Reader. The heuristic firings confirm the presence of this exploit and identify it as Pdf.Exploit.Agent-36821. The embedded URL, while not directly malicious, is associated with XFA templates and may be used in the exploitation 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/