Facebook buy sell swap complaining of mp4 video having virus or malware!

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The issue you are facing:
My account will be suspended on https://www.facebook.com/groups/579892792356839/permalink/790754327937350/?notif_id=1547897059689716&notif_t=group_post_mention

Is this the first time you’ve seen this error? (Y):

Steps to replicate it:
Link a mp4 video with a comment (I think the comment on the download maybe causing it, can not re test or be banned)
Links http://wagnwashcloud.dogrusoz.net/index.php/s/t5Wkkb7R6wTgXDz

http://wagnwashcloud.dogrusoz.net/index.php/s/dXyG4d64fsrPZCs

Screenshot_2019-01-19%20The%20Real%20Narrogin%20Districts%20Buy%20Sell%20Trade%20(Inc%20Local%20Businesses)

What kind of malware was detected?

If you put in the link at virustotal.com (https://www.virustotal.com/#/url/bdac00c078b9cda390ef7b7583774e79460c4f7da5ca22d702564b1794b4e5ad/detection), no anti-virus solution find an issue. Put a /download at the end of the link that it directly accesses the file.

Perhaps some other file, and they blocked the whole domain? A false positive?