How to root Samsung Galaxy Alpha SM-G850A?

Seems I have searched vastly across the internet to no avail. So far, I've tried using a CF-auto-root file with Odin 3, and vroot, neither of which worked. The only helpful thread I've found was an XDA thread from may 2015 which still did not seem to help http://forum.xda-developers.com/galaxy-alpha/help/want-to-to-root-alpha-sm-g850a-t3107199/ The only other resource I've found were several forums and websites that link back to the same blog that claims to have rooted the phone, but the download file is labeled as malicious by chrome and there is no conformation by anyone that it actually works.