My site meta description changes and pointing to some casino site

Today i entered this page “https://jobdaddy.in/contact-us/” in google and found that
meta description contains link to “https://infoexgraphics.com/spices/?p=no-deposit-casino-bonus” some casino or gaming site

I have no idea where this come from. here is the screen shot https://tinypic.com/r/2yzdi7s/8

I have already search code but found none.

Is my site hacked ??

Pls help

Thanks ??