Untitled

Prevent Exposing Actual URL
<a href="myserver.com/path/to/actual/phpFile/downloadPDF.pdf?arg1=blah&arg2">

Options +FollowSymLinks
RewriteEngine on
RewriteRule ^(.*)yournewaddress$  /path/to/actual/phpFile/downloadPDF.pdf?arg1=blah&arg2

<a href="myserver.com/yournewaddress">

# in server-config
RewriteRule ^/download/pdf/(.+) /path/to/actual/phpFile/downloadPDF.php?args=$1 [L,QSA]

<a href="/download/pdf/blah">

/download/pdf/foo/bar

$args = isset($_GET['args']) ? explode('/', $_GET['args']) : array();

<?php
include "path/to/actual/phpFile.php";
?>