Malicious PDF — malware analysis report

Static analysis result for SHA-256 1835d6340f3149b6…

MALICIOUS

PDF

24.0 KB
MD5: d8be6aa88f81f83e5dc580be1235be7c SHA-1: bb302aa79c11b3b29755a215e8b3dd4483c75f64 SHA-256: 1835d6340f3149b6c10899970333cf2dd1b7ee9077b51b45c638969e0d389424
160 Risk Score

Malware Insights

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

The file is a PDF containing an XFA form that exploits CVE-2010-0188 in Adobe Reader. This exploit is designed to achieve client-side code execution. The embedded URL, while seemingly benign, is present within the context of a known exploit, suggesting it may be part of the exploit chain or a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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/