Is it possible and how to grab that information about profile just from existing *.ipa file?
I can give you a direction in this, not sure if it'll actually help:
*.appfile. Open its package contents by right clicking it.
EDIT- Since Xcode 6 doesn't show the provisioning profile, I'll extend the answer to still see the details:
embedded.txtor just open it with any text editor of choice.
Name, etc which will be sufficient to conclusively lead you to the provisioning profile used to create the
Hope it'll help!