/usr/share/httrack/libtest/ is in libhttrack-dev 3.48.1-4ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/httrack/libtest/callbacks-example-baselinks.c
/usr/share/httrack/libtest/callbacks-example-changecontent.c
/usr/share/httrack/libtest/callbacks-example-contentfilter.c
/usr/share/httrack/libtest/callbacks-example-displayheader.c
/usr/share/httrack/libtest/callbacks-example-filename.c
/usr/share/httrack/libtest/callbacks-example-filename2.c
/usr/share/httrack/libtest/callbacks-example-filenameiisbug.c
/usr/share/httrack/libtest/callbacks-example-listlinks.c
/usr/share/httrack/libtest/callbacks-example-log.c
/usr/share/httrack/libtest/callbacks-example-simple.c
/usr/share/httrack/libtest/example-main.c
/usr/share/httrack/libtest/example-main.h
/usr/share/httrack/libtest/readme.txt