If you had noticed recently, there is a funny and irritating stuff going on some facebook profiles (if you're unlucky, yours might be included). This stuff is termed by bloggers and webmaster with the name ''facebook spam''.

Facebook spam are the links or status mostly illicit or illegal that are posted on the timeline without your authorization. These spam if not treated had lots of disadvantages and possess threats to your social network account. Below are the damages they can cause;
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Reputation; It doesn't mean whether you're religious or not on your social account, once these spam links which are illicit starts posting on your wall, it might alter your reputation. People would think you're the one posting it.
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Account Ban - Did you know that if these spam links persist on your facebook account, it could lead to your facebook being banned. these temporary hold would need you to unlock it with some information or id.
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How To Stop Spam
=> For temporary solution, simply change your account password in which this will alter the app functionality *whilst* the permanent method is to delete the spam application from your facebook account.

Read FULL POST Details at http://www.netsocialblog.com/2016/05/how-to-stop-spam-links-on-facebook-wall.html