Weird reflections with Yafray

Hello,

I have a problem with Blender - actually with Yafray… Check tthis picture attached with this post. Look at this cube-shaped object… It has some round-shaped reflections on it. But it can’t be possible: the only round-shaped things in this scene are lights! Like - what the hell? Is this normal? Where these reflections come from?

Here’s the .blend file: http://www.speedyshare.com/170622582.html

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