Add Yahoo as a preferred source to see more of our stories on Google. Surprise deliveries may be phishing traps. Learn how to spot and report Amazon QR code scams. | ©Image Credit: ANIRUDH / Unsplash ...

Ever wondered why seemingly harmless Amazon packages are suddenly landing on your doorstep with no sender name, no return address—just a mysterious QR code tucked inside, inviting you to scan it?