/usr/ is in libpoppler-glib-dev 0.18.4-1ubuntu3.2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/poppler-glib.pc
/usr/lib/x86_64-linux-gnu/libpoppler-glib.a
/usr/include/
/usr/include/poppler/
/usr/include/poppler/glib/
/usr/include/poppler/glib/poppler-date.h
/usr/include/poppler/glib/poppler-page.h
/usr/include/poppler/glib/poppler-features.h
/usr/include/poppler/glib/poppler-enums.h
/usr/include/poppler/glib/poppler-movie.h
/usr/include/poppler/glib/poppler.h
/usr/include/poppler/glib/poppler-attachment.h
/usr/include/poppler/glib/poppler-media.h
/usr/include/poppler/glib/poppler-form-field.h
/usr/include/poppler/glib/poppler-annot.h
/usr/include/poppler/glib/poppler-document.h
/usr/include/poppler/glib/poppler-layer.h
/usr/include/poppler/glib/poppler-action.h
/usr/share/
/usr/share/gir-1.0/
/usr/share/gir-1.0/Poppler-0.18.gir
/usr/share/doc/
/usr/share/doc/libpoppler-glib-dev/
/usr/share/doc/libpoppler-glib-dev/html/
/usr/share/doc/libpoppler-glib-dev/html/poppler/
/usr/share/doc/libpoppler-glib-dev/html/poppler/PopplerPage.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/poppler-PopplerAction.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/left.png
/usr/share/doc/libpoppler-glib-dev/html/poppler/api-index-0-14.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/poppler.devhelp2.gz
/usr/share/doc/libpoppler-glib-dev/html/poppler/up.png
/usr/share/doc/libpoppler-glib-dev/html/poppler/index.sgml
/usr/share/doc/libpoppler-glib-dev/html/poppler/api-index-full.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/PopplerMedia.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/api-index-deprecated.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/PopplerDocument.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/index.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/style.css
/usr/share/doc/libpoppler-glib-dev/html/poppler/poppler-Version-and-Features-Information.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/PopplerAnnot.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/PopplerMovie.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/right.png
/usr/share/doc/libpoppler-glib-dev/html/poppler/poppler-poppler.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/annotation-glossary.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/ch01.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/home.png
/usr/share/doc/libpoppler-glib-dev/html/poppler/PopplerFormField.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/api-index-0-12.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/api-index-0-18.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/PopplerAttachment.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/api-index-0-16.html
/usr/share/doc/libpoppler-glib-dev/html/poppler/PopplerLayer.html
/usr/share/doc/libpoppler-glib-dev/copyright
/usr/share/gtk-doc/
/usr/share/gtk-doc/html/
/usr/lib/x86_64-linux-gnu/libpoppler-glib.so
/usr/share/doc/libpoppler-glib-dev/changelog.Debian.gz
/usr/share/gtk-doc/html/poppler