Sumatra did this too apparently. I do not know if they still do this as I haven't used it in a few years. Edit: So did Okular (the KDE reader) it seems https:

Sumatra did this too apparently. I do not know if they still do this as I haven't used it in a few years. Edit: So did Okular (the KDE reader) it seems https://tsdgeos.blogspot.com/2009/06/okular-pdf-and-drm.html https://tsdgeos.blogspot.com/2009/06/okular-pdf-and-drm.html Evince too https://superuser.com/questions/767617/disable-drm-in-evince https://superuser.com/questions/767617/disable-drm-in-evince but it is disabled by default now.