Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e14edc055a69e3a…

MALICIOUS

PDF

25.0 KB Created: 2010-02-23 15:41:05 Authoring application: FPDF 1.6
MD5: c1fa8bd11869121bba216447d822dea8 SHA-1: 1cd1ee03086d8985bfe747f6380242e9f1b91b47 SHA-256: 7e14edc055a69e3ab3f92304ddfae255ddb8af7ded4f34e230e407b393ebcee3
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML_NYX_PDF_MALICIOUS and PDF_CORRELATED_MALICIOUS_JS heuristics confirm the malicious nature of this JavaScript. The script is likely designed to download and execute a second-stage payload, although the specific actions are obscured by the PDF format and potential obfuscation. The document body is unreadable, providing no further context on the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 3

  • Correlated malicious PDF JavaScript signals critical PDF_CORRELATED_MALICIOUS_JS
    PDF JavaScript or auto-action content is corroborated by exploit staging, ML, or suspicious extracted-artifact findings. This correlation promotes old exploit-kit PDFs that otherwise remain in the suspicious band because each individual signal is intentionally weighted conservatively.
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.