Malicious PDF — malware analysis report

Static analysis result for SHA-256 3abc03c4c6b04d3b…

MALICIOUS

PDF

24.1 KB
MD5: d51df570b4dfcafcf4b17e9ca7a06e47 SHA-1: 049ac932de2e24e791d1377a0958a7620285256c SHA-256: 3abc03c4c6b04d3bb1061cf7d63dc7254e774d620cf06010ce2658937d196cbf
128 Risk Score

Malware Insights

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

The sample is a PDF file that contains an XFA form, which is a known vector for exploiting vulnerabilities. Specifically, the CVE-2010-0188 heuristic indicates the exploitation of a LibTIFF vulnerability within Adobe Reader's XFA processing. This exploit is designed to download and execute a malicious payload. The embedded URL, while seemingly benign, is part of the XFA template structure and could potentially be used in 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/