O Segredo da Caixa
- Year: 2023
- Country:
- Genre: Horror, Mystery
- Studio:
- Keyword: shadow, brazilian horror, short, monstrous shadow
- Director: Nico Perez Claro, Julia Hiane, Katiane Pereira
- Cast: Julia Hiane, Danielle Kessler, Nico Perez Claro, Ricardo Branger