/usr/ is in ruby-jekyll-test-plugin-malicious 0.1.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/jekyll_test_plugin_malicious.rb
/usr/lib/ruby/vendor_ruby/jekyll_test_plugin_malicious/
/usr/lib/ruby/vendor_ruby/jekyll_test_plugin_malicious/version.rb
/usr/share/
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/jekyll_test_plugin_malicious-0.1.0.gemspec
/usr/share/doc/
/usr/share/doc/ruby-jekyll-test-plugin-malicious/
/usr/share/doc/ruby-jekyll-test-plugin-malicious/README.md
/usr/share/doc/ruby-jekyll-test-plugin-malicious/changelog.Debian.gz
/usr/share/doc/ruby-jekyll-test-plugin-malicious/copyright