Malicious PDF — malware analysis report

Static analysis result for SHA-256 a1d90efc8834913f…

MALICIOUS

PDF

24.1 KB
MD5: 5b011dd61154f5270f31e69a88181521 SHA-1: 56ef4db964f457c00f1d0cfebe95e90e39cd71b3 SHA-256: a1d90efc8834913f5471939e247d11f4b61526456e0c4b67106a5e3aef4197a4
128 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1566.001 Phishing: Spearphishing Attachment

The PDF file contains an XFA form and triggers a critical heuristic for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the document is designed to exploit this specific vulnerability upon opening in a vulnerable version of Adobe Reader. The embedded URL, while not directly malicious in reputation, is part of the document's structure and may 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/