/usr/bin/avr-ld.bfd is in binutils-avr 2.26.20160125+Atmel3.5.3-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/bin/../lib/avr/bin/ld.bfd
/usr/bin/../lib/avr/bin/ld.bfd