[e.g., Retain for evidence / Delete after review] 4. Technical Details Tool Used: [e.g., 7-Zip, VLC Media Player, ExifTool]

[e.g., No malicious scripts embedded in container / Potential data exfiltration / Evidence of activity]

If you can describe what is inside the video, I can fill in the "Content Analysis" section for you.

The inner file is confirmed via file header analysis as a Matroska/WebM video file. Content Analysis:

[Include data on creation date, modified date, codec information] 3. Security & Forensic Implications Threat Level: [Low/Medium/High]