Any password will work
drwxrwx--- 2 127675 124793 4096 Oct 25 2018 . drwxrwx--- 12 127675 124793 4096 Mar 11 2019 .. -rwxrwx--- 1 127675 124793 491394 Mar 29 2018 191790-ce-01-ml-ARDUINO_MEGA_2560_BOARD_en_it.pdf