User-agent: *
Disallow: /*.PDF$
Disallow: /*.jpeg$ 
Disallow: /*.exe$
Disallow: /*.gif$
Disallow: /*.swf$
Disallow: /*.htm$
Disallow: /*.html$
Disallow: /*.asp$
Disallow: /*send.php$
Disallow: /*send2.php$
Disallow: /admin/*