It could be a short, highly compressed video clip (such as a tutorial or a social media snippet). At 7.08 MB, the video would likely be less than a minute long at 720p or 1080p resolution.
: Do not click any links or download the attachment. Even "previewing" the file in some web browsers can be risky. Check the Sender Download- sys x6.mp4 -7.08 MB-
This specific email format uses several psychological and technical tricks to deceive recipients: Sense of Mystery : By using a generic, technical-sounding name like It could be a short, highly compressed video