/usr/share/tdiary/misc/plugin/en/ is in tdiary-plugin 3.2.2-6.
This file is owned by root:root, with mode 0o755.
..
/usr/share/tdiary/misc/plugin/en/a.rb
/usr/share/tdiary/misc/plugin/en/amazon.rb
/usr/share/tdiary/misc/plugin/en/append-css.rb
/usr/share/tdiary/misc/plugin/en/bq.rb
/usr/share/tdiary/misc/plugin/en/calendar2.rb
/usr/share/tdiary/misc/plugin/en/category.rb
/usr/share/tdiary/misc/plugin/en/counter.rb
/usr/share/tdiary/misc/plugin/en/daily_theme.rb
/usr/share/tdiary/misc/plugin/en/disp_referrer.rb
/usr/share/tdiary/misc/plugin/en/dropdown_calendar.rb
/usr/share/tdiary/misc/plugin/en/edit_today.rb
/usr/share/tdiary/misc/plugin/en/hide-mail-field.rb
/usr/share/tdiary/misc/plugin/en/highlight.rb
/usr/share/tdiary/misc/plugin/en/image.rb
/usr/share/tdiary/misc/plugin/en/kw.rb
/usr/share/tdiary/misc/plugin/en/makerss.rb
/usr/share/tdiary/misc/plugin/en/pb-show.rb
/usr/share/tdiary/misc/plugin/en/ping.rb
/usr/share/tdiary/misc/plugin/en/recent_comment.rb
/usr/share/tdiary/misc/plugin/en/recent_comment3.rb
/usr/share/tdiary/misc/plugin/en/recent_rss.rb
/usr/share/tdiary/misc/plugin/en/referer_scheme.rb
/usr/share/tdiary/misc/plugin/en/search_control.rb
/usr/share/tdiary/misc/plugin/en/search_form.rb
/usr/share/tdiary/misc/plugin/en/speed_comment.rb
/usr/share/tdiary/misc/plugin/en/tb-show.rb
/usr/share/tdiary/misc/plugin/en/todo.rb
/usr/share/tdiary/misc/plugin/en/weather.rb
/usr/share/tdiary/misc/plugin/en/xmlrpc.rb