Seems like an important URL's since it may have admin access. Could be tested in a red team engagement.

admin.paypal.com
gops-weblogic-admin.paypal.com
gops-weblogic-admin.qa.paypal.com
admin.mspartner.qa.paypal.com
admin.mspartner1int.qa.paypal.com
admin.mspartner2int.qa.paypal.com
museadminnodeweb18105239.qa.paypal.com
trinityadminauthserv.qa.paypal.com
admin.sandbox.paypal.com
admin.stage2.paypal.com
admin.stage2aa.paypal.com
admin.stage2b.paypal.com
ffxadmin.stage2mb101.paypal.com
ffxadmin.stage2mb102.paypal.com
ffxadmin.stage2mb103.paypal.com
ffxadmin.stage2mb104.paypal.com
ffxadmin.stage2mb105.paypal.com
ffxadmin.stage2mb106.paypal.com
ffxadmin.stage2mb107.paypal.com
ffxadmin.stage2mb108.paypal.com
ffxadmin.stage2mb109.paypal.com
ffxadmin.stage2mb110.paypal.com
ffxadmin.stage2mb111.paypal.com
ffxadmin.stage2mobile01.paypal.com
ffxadmin.stage2mobile02.paypal.com
ffxadmin.stage2mobile08.paypal.com
ffxadmin.stage2mobile10.paypal.com
ffxadmin.stage2mobile12.paypal.com
trinityadminauth.paypal.com


These e-mail addresses seem like normal employee addresses which can be phished in a red team engagement.
impressum@paypal.com
kundenbetreuung@paypal.com

service@intl.paypal.com
lawenforcement@paypal.com
spoof@paypal.com
chenderson@paypal.com
crme@paypal.com
grabinvoitch@paypal.com