Need to check pdf for xss

[email protected] (Sebastian Ewert)
Newsgroups php.general
Message-ID <[email protected]> 
Hi,

before I allow to upload images I read them and check for several html
tags. If they exist I don't allow the upload. Is their any need to check
pdf files, too? At the time I'm doing this, but the result is that many
files are denied because of unallowed html tags.
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