/usr/lib/x86_64-linux-gnu/ is in libxs-object-magic-perl 0.4-1+b2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/perl5/
/usr/lib/x86_64-linux-gnu/perl5/5.20/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/XS/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/XS/Object/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/XS/Object/Magic/
/usr/lib/x86_64-linux-gnu/perl5/5.20/auto/XS/Object/Magic/Magic.so
/usr/lib/x86_64-linux-gnu/perl5/5.20/XS/
/usr/lib/x86_64-linux-gnu/perl5/5.20/XS/Object/
/usr/lib/x86_64-linux-gnu/perl5/5.20/XS/Object/Magic.pm
/usr/lib/x86_64-linux-gnu/perl5/5.20/XS/Object/Magic/
/usr/lib/x86_64-linux-gnu/perl5/5.20/XS/Object/Magic/Install/
/usr/lib/x86_64-linux-gnu/perl5/5.20/XS/Object/Magic/Install/xs_object_magic.h
/usr/lib/x86_64-linux-gnu/perl5/5.20/XS/Object/Magic/Install/Files.pm
/usr/lib/x86_64-linux-gnu/perl5/5.20/XS/Object/Magic/Install/typemap