Blog posts have comment spam

Go to this page.  Scroll to the bottom and you will see the spam https://completesmevideo.com/directors/
 
Example:   
admin
I’m full-time freelancer specializing in web development. My mission is to have a good and deep relation with you and your business. Together we will be working and communicating closely to get the desired result. I support your ideas and want to help you get a step closer to achieving your goals.
 
Where is this coming and from and why is it on every new post I create.