/usr/lib/x86_64-linux-gnu/libkdb5.so.7 is in libkdb5-7 1.12+dfsg-2ubuntu4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libkdb5.so.7.0
/usr/lib/x86_64-linux-gnu/libkdb5.so.7.0