Malicious PDF — malware analysis report

Static analysis result for SHA-256 19319f1edf8d8f87…

MALICIOUS

PDF

24.1 KB
MD5: cc3d3674050ca08ede38c39790d9d0f3 SHA-1: 8c29503871f29696a7faa68ca1ae1a7387ba2501 SHA-256: 19319f1edf8d8f87c6ed7389b3eccf512be0a74171c49d67fad13c85797a6659
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 multiple heuristics, including a critical detection for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. The presence of XFA form elements and the exploit detection strongly suggest this document is designed to leverage this vulnerability for initial code execution. The embedded URL, while seemingly benign, is likely part of the exploit chain or a placeholder within the XFA template.

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/