Yep, it’s malicious says Google and Bing. Uses third party. Check out share.social9.com
Disrupts indexing with Bing and Google. Blocks resources. Steals info. Destroys traffic. Affects indexing.
Do not recommend this plugin or or social9 WP plugin. Damage to my website.
IP: 104.25.202.20 Block permanently.
Use this at your own peril. Cleverly cloaked hacker.