/usr/lib/x86_64-linux-gnu/libpcl_search.so is in libpcl-dev 1.7.2-14build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libpcl_search.so.1.7
/usr/lib/x86_64-linux-gnu/libpcl_search.so.1.7