/usr/share/texmf/doc/asymptote/asyRefCard.pdf is in asymptote-doc 2.41-4.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/texmf/doc/asymptote/../../../doc/asymptote-doc/asyRefCard.pdf
/usr/share/texmf/doc/asymptote/../../../doc/asymptote-doc/asyRefCard.pdf