/etc/xdg/autostart/pam-dbus-notify.desktop is in pam-dbus-notify 0.2.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 | [Desktop Entry]
Name=pam-dbus Handler
Comment=Answers authentication requests by pam-dbus
Exec=/usr/share/pam_dbus/pam-dbus-notify
Terminal=false
Type=Application
StartupNotify=false
X-GNOME-Autostart-enabled=true
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