Idea of Hard to Find Icon
It's appears to be a simple logo of a long arrow that has made sharp, 90 degree turns, inside of a box. The icon is striking similar to the direction one would take when solving a labyrinth puzzle.
This page contains the Hard to Find vector icon, as well as variations of this icon in different visual styles, and related icons. All icons are in the flat vector style, however, differ by the line thickness, fill, and corner radius.