/usr/lib/avr/bin/ld.bfd is in binutils-avr 2.24+Atmel3.4.4-1.
This file is owned by root:root, with mode 0o755.
It is a symlink to /usr/lib/avr/bin/./usr/lib/avr/bin/ld
/usr/lib/avr/bin/./usr/lib/avr/bin/ld