Malicious PDF — malware analysis report

Static analysis result for SHA-256 91ca44e96ed2eb7d…

MALICIOUS

PDF

24.1 KB
MD5: 9fcd895429ff87739ceed2658be105a2 SHA-1: cbde6152d4cd36421a5d3573b74a457fab87e1cd SHA-256: 91ca44e96ed2eb7d9e9fa0eb2749f5e395d6d2fcec6be468b7a807e7b0590fb0
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1190 Exploit Public-Facing Application

The file is a PDF document that contains an XFA form, which is a known vector for exploitation. Static analysis identified a critical heuristic match for CVE-2010-0188, an exploit targeting Adobe Reader's LibTIFF component within XFA forms. This indicates the document is designed to exploit this vulnerability upon opening, likely leading to the download and execution of a secondary payload. The embedded URL, while seemingly benign, is part of the XFA structure and could be involved 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/