/usr/lib/libreoffice/share/config/images_hicontrast.zip is in libreoffice-style-hicontrast 1:4.3.3-2+deb8u11.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libreoffice/share/config/../../../../share/libreoffice/share/config/images_hicontrast.zip