Hackspam
Some guy cracks your social media and blasts spam to all your friends. If they click the stupid link, they get hacked too and look like total dummies.
My dad's Facebook got hacked and he sent a link to my uncle. He clicked it and now his profile is filled with weird cat videos.
My brother got spammed with a link that said 'You've won a free pizza!' He clicked it and now his timeline is all ads and pizza pictures.
My grandma got hacked and she sent a link to my cousin. He clicked it and now his profile is full of dancing chickens.