User-agent: *
Disallow: /*.pdf$
Disallow: /PDFs/*.pdf$
Disallow: /PDFs*/
Disallow: /PDFs
Disallow: /pdfs
Disallow: /Word Files
Disallow: /word files
Disallow: /PDFs/*
Disallow: /Word Files/*
Disallow: /PDFs/*.pdf
Disallow: /Word Files/*.doc
Disallow: /blog/*.*