/usr/share/tdiary/contrib/plugin/ja/ is in tdiary-contrib 5.0.8-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/tdiary/contrib/plugin/ja/add_bookmark.rb
/usr/share/tdiary/contrib/plugin/ja/category-lite.rb
/usr/share/tdiary/contrib/plugin/ja/del_footer.rb
/usr/share/tdiary/contrib/plugin/ja/flickr.rb
/usr/share/tdiary/contrib/plugin/ja/git-register.rb
/usr/share/tdiary/contrib/plugin/ja/google_sitemaps.rb
/usr/share/tdiary/contrib/plugin/ja/livedoor_weather.rb
/usr/share/tdiary/contrib/plugin/ja/microsummary.rb
/usr/share/tdiary/contrib/plugin/ja/nicovideo.rb
/usr/share/tdiary/contrib/plugin/ja/openid.rb
/usr/share/tdiary/contrib/plugin/ja/section_footer.rb
/usr/share/tdiary/contrib/plugin/ja/section_footer2.rb
/usr/share/tdiary/contrib/plugin/ja/socialbutton.rb
/usr/share/tdiary/contrib/plugin/ja/yo_update.rb