Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b8d152bdd300424…

MALICIOUS

PDF

24.2 KB
MD5: f710c2cb167de741383b650ac3cda697 SHA-1: 010a5396a9267c1d049c18203cc7f0218b91950b SHA-256: 6b8d152bdd300424daf01b84048b7d19bfa8a6d4f1dcfaceb4cd2c7364be759a
160 Risk Score

Malware Insights

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

The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It contains an exploit for CVE-2010-0188 targeting Adobe Reader's XFA forms, which is a critical vulnerability allowing for client execution. The embedded URL, while seemingly benign, is present within the document's structure and could potentially be used in conjunction with the exploit.

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/