Zero-Day & Known Exploit Signature • QuickSand v2.3.0

Detecting CVE-2024-4367 in Malicious Documents & Streams

Summary: pdf.exploit Mozilla PDF.js FontMatrix arbitrary JavaScript execution (CVE-2024-4367). QuickSand unpacks nested container streams (OLE2, OOXML, RTF, PDF filter chains, and archives) in memory to detect CVE-2024-4367 payloads in <50ms.

CVE-2024-4367 Vulnerability Identifier
T1059.007, T1203 MITRE ATT&CK Technique
PDF Target Stream Vector

QuickSand YARA Signatures for CVE-2024-4367

YARA Rule Identifier Stream Detection Description MITRE ATT&CK Engine Module Severity
pdf_exploit_fontmatrix_js_CVE_2024_4367 pdf.exploit Mozilla PDF.js FontMatrix arbitrary JavaScript execution (CVE-2024-4367) T1059.007, T1203 PDF 10/10

Scan Files for CVE-2024-4367 via REST API (<100ms)

Block weaponized uploads exploiting CVE-2024-4367 in your web app, S3/GCS bucket, or SOAR phishing workflow:

curl -X POST "https://malwaretracker-912661936520.europe-west1.run.app/v1/scan?store=false" \
  -H "X-API-Key: mt_live_YOUR_API_KEY" \
  -F "file=@untrusted_document.doc"
Get Free API Key (1,000 Scans/Mo) → Scan a File Online Now