Once the charger is plugged in and the user inputs their PIN code, the charger silently and invisibly removes the target app, in this case the official Facebook app. It then replaces it – in exactly the same position on your iPhone/iPad homescreen – with what looks like a perfect replacement.
In actual fact this is malware and once you launch it, your phone/tablet has been compromised. This malware could be used to capture passwords, take screenshots, access your contacts, messages and phone calls, or even make premium rate calls.
via iPhone Hacked in Under 60 Seconds Using Malicious Charger – IBTimes UK.