Attackers may insert malware, spyware, or adware into a popular app before "repacking" it and distributing it through third-party sites.
If you choose to use third-party APK sources, follow these best practices: apkefor repack
While there isn't a single official tool named "apkefor," the standard procedure for involves a specific sequence of unpacking, modifying, and resigning. Core Guide for APK Repacking Attackers may insert malware, spyware, or adware into