This is a serious problem. we should be more careful  when clicking on any links not just here on steemit but anywhere on internet. 

Two thing come to mind when verifying the authenticity
1. Source (making sure that who has provided the said link and is the source is authentic ? )
 2. Checking the link URL (https:// mark and site name)

In any case 
<center>
## if you don't trust it then don't click on it.
</center>

Thank you for sharing the information @drakos