Krishna on "robots.txt different in GWMT compared to installed one"

Currently you have this:

#
User-agent: *
Disallow: /wp-admin/
Disallow: /wp-includes/
Disallow: /tmp/
Disallow: /pdf/
#

Now try this:

User-agent: *
Disallow: /wp-admin/
Disallow: /wp-includes/
Disallow: /tmp/
Disallow: /pdf/