Apparatus and method for extracting spammer group

The present invention relates to an apparatus and method for extracting a spam group that interferes with fair trade and decision making through deliberate slandering message propagation for a third party (other person, other product, etc.) in a social network service. The spam group extracting apparatus includes a data collecting unit for collecting data corresponding to the social network service, a natural language processing unit for pre-processing the data using a natural language processing algorithm based on the big data, and a user ID corresponding to each of the pre- And a spam extracting unit for extracting a spam group using an ID of a user group including a user ID and a user ID that cause an abnormal behavior.