Walk towards it. It will pull your screen and once it starts to move towards you, you will get the badge and static will take over. The game will eventually kick you.
In-game, SCP-087-1 is seen as pale humanoid face, with no pupils, no nostrils or a mouth. It is the first monster that the player can encounter, and will kill the player if stared at for around three seconds. It will drag the player's screen in an attempt to get them to stare at it but can be prevented by looking away.
When you encounter this SCP and look away, a "thud" will be heard after a few seconds, indicating its departure.
In-game, SCP-087-2 is seen as a bright humanoid face, with large black eyes, long and thin top lip, short bottom lip and large teeth. It is the second monster that the player can encounter, and will kill the player if they look behind them. The image used was taken from VicGamerX's videos.
Examples of whispering you will hear can be, "I see you" and "I'm here".