Shortened link
The link you followed has been shortened with is.gd. Shortened links can go anywhere on the Internet so you shouldn't continue if you got the link from a suspicious source e.g. junk email.
The full original link is shown below. Click the link if you'd like to proceed to the destination shown: -
http://humhainaa.net84.net/fb/Welcome%20to%20Facebook%20-%20Log%20In,%20Sign%20Up%20or%20Learn%20More.htm
Tip: some QR readers fail to read mixed case URLs properly. We recommend using the lower case option or a lower case custom URL with QR codes.