/usr/share/php/dompdf/lib/ is in php-dompdf 0.6.2+dfsg-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/php/dompdf/lib/class.pdf.php
/usr/share/php/dompdf/lib/fonts/
/usr/share/php/dompdf/lib/fonts/Courier-Bold.afm
/usr/share/php/dompdf/lib/fonts/Courier-BoldOblique.afm
/usr/share/php/dompdf/lib/fonts/Courier-Oblique.afm
/usr/share/php/dompdf/lib/fonts/Courier.afm
/usr/share/php/dompdf/lib/fonts/DejaVuSans-Bold.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSans-BoldOblique.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSans-ExtraLight.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSans-Oblique.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSans.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSansCondensed-Bold.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSansCondensed-BoldOblique.ttf
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/usr/share/php/dompdf/lib/fonts/DejaVuSansMono-Bold.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSansMono-BoldOblique.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSansMono-Oblique.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSansMono.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSerif-Bold.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSerif-BoldItalic.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSerif-Italic.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSerif.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSerifCondensed-Bold.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSerifCondensed-BoldItalic.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSerifCondensed-Italic.ttf
/usr/share/php/dompdf/lib/fonts/DejaVuSerifCondensed.ttf
/usr/share/php/dompdf/lib/fonts/Helvetica-Bold.afm
/usr/share/php/dompdf/lib/fonts/Helvetica-BoldOblique.afm
/usr/share/php/dompdf/lib/fonts/Helvetica-Oblique.afm
/usr/share/php/dompdf/lib/fonts/Helvetica.afm
/usr/share/php/dompdf/lib/fonts/Symbol.afm
/usr/share/php/dompdf/lib/fonts/Times-Bold.afm
/usr/share/php/dompdf/lib/fonts/Times-BoldItalic.afm
/usr/share/php/dompdf/lib/fonts/Times-Italic.afm
/usr/share/php/dompdf/lib/fonts/Times-Roman.afm
/usr/share/php/dompdf/lib/fonts/ZapfDingbats.afm
/usr/share/php/dompdf/lib/fonts/dompdf_font_family_cache.dist.php
/usr/share/php/dompdf/lib/html5lib/
/usr/share/php/dompdf/lib/html5lib/Data.php
/usr/share/php/dompdf/lib/html5lib/InputStream.php
/usr/share/php/dompdf/lib/html5lib/Parser.php
/usr/share/php/dompdf/lib/html5lib/Tokenizer.php
/usr/share/php/dompdf/lib/html5lib/TreeBuilder.php
/usr/share/php/dompdf/lib/html5lib/named-character-references.ser
/usr/share/php/dompdf/lib/res/
/usr/share/php/dompdf/lib/res/broken_image.png
/usr/share/php/dompdf/lib/res/html.css