Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f4b4b5add5a6ab3…

MALICIOUS

PDF

24.1 KB
MD5: 7247842d9f6bcd4d6e8e7783848917b7 SHA-1: 390d1ff525cbcb7aab144bf3af20279def25b060 SHA-256: 5f4b4b5add5a6ab396397f9908294533eadaf5d60f1c7b35a56c76e3fd7bbfce
162 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

The file is a PDF containing an XFA form that triggers the CVE-2010-0188 exploit, targeting Adobe Reader. This exploit is known to download and execute a second-stage payload. The embedded URL is likely related to the exploit's functionality.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PSEOF. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
  • 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/