=== HTTP code : 200 ===

HTTP/1.1 200 OK
x-amz-id-2: UZo8IIg61Umszh/tyitk8kuWKt7Das9dAXtdQvjr5KbUYxNVfBfryO67dW+TlvcS
x-amz-request-id: FF4A13C2F9F836F9
Date: Mon, 14 Nov 2011 12:55:04 GMT
Content-Disposition: attachment
Last-Modified: Wed, 01 Jun 2011 12:31:34 GMT
ETag: "8127397846abcf143cf9fa72d0522ca3"
Accept-Ranges: bytes
Content-Type: application/pdf
Content-Length: 7517709
Server: AmazonS3


Link is valid.