There is a squiggly line heading downwards, and where it ends there is a pencil going diagonal, giving the idea it's just being drawn. There isn't much detail to the pencil, only a dark tip and an eraser on the end.
Related to Sign Up Icon
Related icons are the icons with matching tags, as well as all editing icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors