/usr/share/xfm/icons/application/vnd.oasis.opendocument.presentation.xpm is in xfm 1.5.4-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/xfm/icons/application/vnd.sun.xml.impress.xpm
/usr/share/xfm/icons/application/vnd.sun.xml.impress.xpm