The icon is a picture of a logo for Favorite File. It is in the shape of a rectangle, with the top right corner folded inward, to make it look more like a piece of paper. There is a star located at the bottom right of the 'paper'
Related to Bookmark Page Icon
Related icons are the icons with matching tags, as well as all files icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors