All of them?
I mean, we have three antiviruses that I have never heard of before, both in the professional market and end-users.
That is most likely because it is Anonfiles, as
TheBlueKnight says
here.
You can check all scans here:
You must be registered to see the links
You must be registered to see the links
You must be registered to see the links
I would recommend you scan files instead of links, as their result can be biased.
In addition, some B-grade antiviruses can tag compressed files as malware because trojans are in their most obfuscated.