Did you know that when you upload a pdf to your website that it gets indexed by Google.
When you enter this in google,
Filetype : pdf for say "forex trading", you get a everysingle pdf that has been indexed as a PDF including the download page many paid products.
There are two ways to stop PFD theft you can create a robot.txt file in your directory.
PHP Code:
User-agent: *
Disallow: /filename.pdf
DLGuard also allows you you to place the PDF's in a file that does not get indexe
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