/usr/share/pdfsam/lib/log4j-1.2.jar is in pdfsam 1.1.4-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/pdfsam/lib/../../java/log4j-1.2.jar
/usr/share/pdfsam/lib/../../java/log4j-1.2.jar