Your friend is sending you a file with Firefox Send, a service that allows you to share files with a safe, private, and encrypted link that automatically expires to ensure your stuff does not remain online forever.
Jun awachib'il xutäq jun yakb'äl chawe rik'in ri Firefox Send, jun samaj ri nuya' q'ij chawe ye'akomonij taq yakb'äl rik'in jun jikïl, ichinan chuqa' ewan rusik'ixik ximonel, ri nik'is ruq'ijul pa ruyonil richin chi ri taq awachinaq man junelïk ta e okel pa k'amab'ey.