The QR code in the parking meter or restaurant menu.
A sticker over a real QR code (on a parking meter, a menu, a flyer) sends you to a fake payment or login page.
A sticker over a real QR code (on a parking meter, a menu, a flyer) sends you to a fake payment or login page.
A friend (or a stranger) sends you a direct message with a link and 'is this you?' or 'OMG I can't believe you did this lol.'
A cloned account messages your real friends with a story about a grant they say you both received.