Well you can't "try" to attract someone indirectly because that would contradict, but when a girl attracts someone indirectly it means that she did it on accident (not necessarily that she didn't want to but that she didn't set out to do it).
it means that these girls are simply trying to get your attention or attract you undirectly or it might be a simple accident
Anyone answering would to know what you mean by "IT".
do you mean to get her attracted to you well that depends on the girl
It mean he is trying to attract her
it mean that a girl was trying to get your attention or trying to fallin love with you
He is possibly flirting and trying to attract your attention.
May be wants to attract attention
Someone is trying to get something from you.
It either means that she is gay or she is trying to be sexy.
This meas that the whale is trying to call or attract another whale.
She will tell you or continue trying to be close to you.
His trying to socialise.