Unnatural External Links Penalized by Google
Google: Going Against Backdoor SEO Techniques
If you find a message in your Google Console that says unnatural outbound links mentioning your website, your website has probably been penalized for the same. According to the message sent by Google regarding this penalty it says that Google has detected unnatural or irrelevant links of a particular site leading to another site in order to boost the ranking of a particular site. It also further mentions that it is against the Google Webmaster guidelines and therefore they are discontinuing the trust of the links found from that particular website.
It is still unclear as to the penalty Google issues for websites carrying such unnatural links but it is one warning that Webmasters should be looking out to avoid creating links like the one Google have mentioned to avoid penalty from Google that may even result in losing rankings gained over the months and years. There is also the question of how the website carrying the outbound links would be handled by Google in terms of penalty.
With websites hit by this kind of penalties researching on the effects of such a penalty, it should be clear in the coming days about the nature of the penalty that has been imposed on websites that have carried these unnatural and irrelevant links.
The following picture is the kind of warning that one can expect in their Google Console if their website has been hit by a penalty from Google.