4.4.0-96.119) is not available, but a newer one is (4.4.0-142.168). We redirected you there.
/usr/bin/animate-im6 is in imagemagick 8:6.8.9.9-5+deb8u12.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/bin/../lib/x86_64-linux-gnu/ImageMagick-6.8.9/bin-Q16/animate