Adobe ACROBAT READER 7.0 - Page 198

Adding attachments to PDF documents
If a PDF document includes additional usage rights, you can attach a separate file to it. In
Adobe Reader, you can attach a PDF file or a file from other applications to the PDF
document. To attach a file as a comment, see Adding attachments as comments.
To attach a file to a PDF document:
1. Do one of the following:
● Choose Document > Attach A File.
● Click the Attachments tab, and click the Add button .
2. In the Add Attachment dialog box, select the file you want to attach, and click Open.
You can drag a PDF file to the Attachments tab of an open PDF file to attach it.