/usr/lib/ is in libkf5attica-dev 5.44.0-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/cmake/
/usr/lib/x86_64-linux-gnu/cmake/KF5Attica/
/usr/lib/x86_64-linux-gnu/cmake/KF5Attica/KF5AtticaConfig.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Attica/KF5AtticaConfigVersion.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Attica/KF5AtticaTargets-debian.cmake
/usr/lib/x86_64-linux-gnu/cmake/KF5Attica/KF5AtticaTargets.cmake
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libKF5Attica.pc
/usr/lib/x86_64-linux-gnu/qt5/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/
/usr/lib/x86_64-linux-gnu/qt5/mkspecs/modules/qt_Attica.pri
/usr/lib/x86_64-linux-gnu/libKF5Attica.so