/usr/ is in libcastor-xml-java 1.3.2-6.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/libcastor-xml-java/
/usr/share/doc/libcastor-xml-java/copyright
/usr/share/java/
/usr/share/java/castor-xml-1.3.2.jar
/usr/share/maven-repo/
/usr/share/maven-repo/org/
/usr/share/maven-repo/org/codehaus/
/usr/share/maven-repo/org/codehaus/castor/
/usr/share/maven-repo/org/codehaus/castor/castor-xml/
/usr/share/maven-repo/org/codehaus/castor/castor-xml/1.3.2/
/usr/share/maven-repo/org/codehaus/castor/castor-xml/1.3.2/castor-xml-1.3.2.pom
/usr/share/maven-repo/org/codehaus/castor/castor-xml/debian/
/usr/share/maven-repo/org/codehaus/castor/castor-xml/debian/castor-xml-debian.pom
/usr/share/doc/libcastor-xml-java/changelog.Debian.gz
/usr/share/java/castor-xml.jar
/usr/share/maven-repo/org/codehaus/castor/castor-xml/1.3.2/castor-xml-1.3.2.jar
/usr/share/maven-repo/org/codehaus/castor/castor-xml/debian/castor-xml-debian.jar