A selection apparatus includes a macro analysis unit that acquires a macro feature amount from a macro in a document file to which the macro is added, a text analysis unit that acquires a text feature amount from text in the document file, a cluster analysis unit that performs clustering using the macro feature amount and the text feature amount, and a selection unit that selects an analysis target document file based on a cluster analysis result, and is able to efficiently and accurately select the macro-added document file to be analyzed.