/usr/lib/x86_64-linux-gnu/libTKPLCAF.so is in liboce-ocaf-lite-dev 0.17.1-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libTKPLCAF.so.10
/usr/lib/x86_64-linux-gnu/libTKPLCAF.so.10