=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Date: Mon, 16 Sep 2019 16:44:50 GMT
Content-Type: application/pdf
Connection: close
Set-Cookie: __cfduid=dd2e16cb8752b017e5b1dc5c8cd7535cf1568652290; expires=Tue, 15-Sep-20 16:44:50 GMT; path=/; domain=.shinsei.com.br; HttpOnly
Last-Modified: Fri, 07 Apr 2017 17:37:04 GMT
Cache-Control: public, max-age=2592000
Expires: Wed, 16 Oct 2019 16:44:50 GMT
Vary: Accept-Encoding
CF-Cache-Status: HIT
Age: 944723
Server: cloudflare
CF-RAY: 51744eb1ea049b7f-DFW

Request headers
================
HEAD /wp-content/uploads/2016/09/Ebook-Reflexologia-Tailandesa.pdf HTTP/1.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36
Host: centrotecnico.shinsei.com.br
Accept: */*
Referer: https://centrotecnico.shinsei.com.br
Connection: close


Link is valid.