Hey there,
Put your website URL through Moz Open Site Explorer and pull out all backlinks pointing to any page on your domain. Moz has it's own metric known as 'Spam Score' that will rate how likely each link is to be 'spam'. This should help you on your way:
https://moz.com/blog/spam-score-mozs-new-metric-to-measure-penalization-risk
I hope that helps!
Sean