/usr/bin/mips64-linux-gnuabi64-ld is in binutils-mips64-linux-gnuabi64 2.30-15ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/bin/mips64-linux-gnuabi64-ld.bfd
/usr/bin/mips64-linux-gnuabi64-ld.bfd