Some designers have started to record personal information about the buyer in the PDF metadata. Usually it is an email, sometimes a name, and sometimes even the last 4 digits of a bank card. They are so hidden that a standard file manager does not see it when you click on "file properties". A simple PDF reader does not see it either. Adobe Editor does, but I do not have it and do not have access to a computer. Are there any programs for Android that allow you to edit PDF metadata on your phone and delete it all?
I'd be grateful for any help.
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