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

Detecting CVE-2018-4990 in Malicious Documents & Streams

Summary: pdf.exploit Corrupted JPEG2000 CVE-2018-4990. QuickSand unpacks nested container streams (OLE2, OOXML, RTF, PDF filter chains, and archives) in memory to detect CVE-2018-4990 payloads in <50ms.

CVE-2018-4990 Vulnerability Identifier
T1203, T1204.002 MITRE ATT&CK Technique
PDF Target Stream Vector

QuickSand YARA Signatures for CVE-2018-4990

YARA Rule Identifier Stream Detection Description MITRE ATT&CK Engine Module Severity
pdf_exploit_Corrupted_JPEG2000_CVE_2018_4990 pdf.exploit Corrupted JPEG2000 CVE-2018-4990 T1203, T1204.002 PDF 5/10

Scan Files for CVE-2018-4990 via REST API (<100ms)

Block weaponized uploads exploiting CVE-2018-4990 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