/usr/share/ is in pkg-php-tools 1.35ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/share/doc/pkg-php-tools/
/usr/share/php/pkgtools/base/
/usr/share/pkg-php-tools/overrides/
/usr/share/doc/pkg-php-tools/README.Composer
/usr/share/doc/pkg-php-tools/README.PEAR
/usr/share/doc/pkg-php-tools/changelog.gz
/usr/share/doc/pkg-php-tools/copyright
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/dh_phpcomposer.1.gz
/usr/share/man/man1/dh_phppear.1.gz
/usr/share/man/man7/
/usr/share/man/man7/pkg-php-tools.7.gz
/usr/share/perl5/
/usr/share/perl5/Debian/
/usr/share/perl5/Debian/Debhelper/
/usr/share/perl5/Debian/Debhelper/Buildsystem/
/usr/share/perl5/Debian/Debhelper/Buildsystem/phppear.pm
/usr/share/perl5/Debian/Debhelper/Sequence/
/usr/share/perl5/Debian/Debhelper/Sequence/phpcomposer.pm
/usr/share/perl5/Debian/Debhelper/Sequence/phppear.pm
/usr/share/php/
/usr/share/php/pkgtools/
/usr/share/php/pkgtools/base/command.php
/usr/share/php/pkgtools/base/dependencies.php
/usr/share/php/pkgtools/base/dependency.php
/usr/share/php/pkgtools/base/logger.php
/usr/share/php/pkgtools/base/override.php
/usr/share/php/pkgtools/base/overrides.php
/usr/share/php/pkgtools/base/utils.php
/usr/share/php/pkgtools/command.php
/usr/share/php/pkgtools/phpcomposer/
/usr/share/php/pkgtools/phpcomposer/command.php
/usr/share/php/pkgtools/phpcomposer/source.php
/usr/share/php/pkgtools/phppear/
/usr/share/php/pkgtools/phppear/command.php
/usr/share/php/pkgtools/phppear/source.php
/usr/share/php/pkgtools/phppearchannel/
/usr/share/php/pkgtools/phppearchannel/command.php
/usr/share/php/pkgtools/phppearchannel/source.php
/usr/share/pkg-php-tools/
/usr/share/pkg-php-tools/overrides/common