- A brief discussion of PDF-based malware surfaced, with links shared to SentinelOne’s 2019 analysis of malicious PDF techniques and Decalage’s “Weaponized PDF – Payload Delivery Format” page that catalogs the file-format tricks used to embed and trigger exploits.  
- Participants noted that many successful PDF exploits still rely on users running outdated or pirated versions of Adobe Reader, underscoring the gap between published security research and real-world patching behavior.