Likely version: SWF from Flash Player era (pre-2021).
Typical contents: timeline with frames, sprites, shapes, images, embedded sounds, ActionScript (AS2/AS3) code, and exported assets.
Recommendation: Decompile and review ActionScript in a sandbox before running, and restrict network access during testing.
Because this software is primarily distributed via third-party community forums and file-sharing sites like F95zone and swfchan, it is essential to exercise caution when downloading: