This is the Australian sci-fi short film Payload.
It was written and directed by Stuart Willis (Visual effects coordinator for Superman Returns, Harry Potter and the Order of the Phoenix, Australia), and stars Deng Abul, Ryan Beard, and Khrob Edmonds. Check out the synopsis and short film below.
"A family of scavengers. A corrupt spaceport. A callous matriarch. A home in the shadow of a space elevator. After a brutal attack on his father, Simon Carter must sacrifice everything to save his family."
"A family of scavengers. A corrupt spaceport. A callous matriarch. A home in the shadow of a space elevator. After a brutal attack on his father, Simon Carter must sacrifice everything to save his family."