/usr/share/java/cdk-builder3dtools.jar is in libcdk-java 1:1.2.10-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/cdk-builder3dtools-1.2.10.jar
/usr/share/java/cdk-builder3dtools-1.2.10.jar