Malicious PDF — malware analysis report

Static analysis result for SHA-256 027eca1aa3b52e4b…

MALICIOUS

PDF

24.1 KB
MD5: bcc21365ef74203ee1e77f7c89947e17 SHA-1: 0b339fd48c38eb991e6b83764884e73183c72147 SHA-256: 027eca1aa3b52e4bac4aaed5162789294bdd8581f83d67de95d5fb6c08fbe00b
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, a known vulnerability in Adobe Reader for client-side code execution. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URL is likely part of the exploit chain or a secondary payload delivery mechanism.

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/