If you read this your site has been marked as unsafe by google, and if you do a site check on Sucuri ( sitecheck.sucuri.net/scanner/ ) this is the error that you get :

Site error detected.
Details: http://sucuri.net/malware/php-error-fatal-error
Fatal error: Cannot redeclare _765258526() (previously declared in /path/domain-name.tld/wp-content/themes/Theme-name/footer.php(18) : eval()’d code:1) in /path/domain-name.tld/index.php(18) : eval()’d code on line 1
