Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2040ec263ca9783…

MALICIOUS

PDF

24.1 KB
MD5: 7d935815c08cb7b81fadd9ba627edb04 SHA-1: 50f28afe902e0cdad9010d47107a9e74f8dc05d2 SHA-256: e2040ec263ca9783eb3610f59ab460e3bdaf4ff53cf766976148f75a3a09f808
128 Risk Score

Malware Insights

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

The sample is a PDF file that triggers critical heuristics for CVE-2010-0188, an Adobe Reader exploit targeting XFA forms and LibTIFF. This indicates the file is designed to exploit a known vulnerability for initial execution. The embedded URL, while seemingly benign, is present within the document structure and could potentially be used in conjunction with the exploit.

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/