=== HTTP code : 301 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: nginx
Date: Wed, 07 Aug 2019 03:36:38 GMT
Content-Type: text/html
Content-Length: 178
Connection: close
Location: https://www.enterpriseflorida.com/wp-content/uploads/Gray-Swoope-Bio-2014.pdf

Request headers
================
HEAD /wp-content/uploads/Gray-Swoope-Bio-2014.pdf HTTP/1.1
Host: enterpriseflorida.com
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
Accept: */*
Referer: https://bme.fiu.edu
Connection: close


Link is valid.