This DAV icon is made in Material Design style developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 4,300 icons, all in the same style and quality.
It's a logo for the website webdav.org. Which stands for: Web-based Distributed Authoring and Versioning. A set of extensions to the HTTP protocol which allows users to collaboratively edit and manage files on remote web servers. The logo are the letters D A V, in black outlined, block letters, white on the inside, each letter up against the other touching.