The file is typically a compressed archive containing a version of the SpyMAX Remote Access Trojan (RAT) , a sophisticated piece of malware used to compromise Android devices. It often contains either the builder/controller software for attackers to create infected apps or a pre-packaged malicious APK disguised as a legitimate tool. Malware Overview

SpyMAX is an Android-focused RAT that appeared on dark web forums around March 2019. It is highly favored by cybercriminals because it offers a user-friendly interface that requires minimal technical expertise to operate. SpyMax Android Malware - Cyber Swachhta Kendra