Uh, nevermind. It's a registered with IANA as application/pdf.
See rfc1700.
--Dan
----- Begin forwarded message:
To: omniweb-l at omnigroup.com
Subject: Re: PDF and the web
Date: Wed, 6 Sep 1995 17:27:59 -0700
What mime type are people using for pdf?
--Dan
----- End forwarded message
--
Dan Grillo dan_grillo at next.com (415) 780-2963 Bldg 1, back, right side