-bash: ./kwboot: cannot execute binary file

root@spike:/# mkdir /kwboot
root@spike:/# cd /kwboot
root@spike:/kwboot# wget http://forum.doozan.com/file.php?3,file=160,filename=kwboot-tool.tar.gz,download=1
--2015-04-26 17:10:54--  http://forum.doozan.com/file.php?3,file=160,filename=kwboot-tool.tar.gz,download=1
Resolving forum.doozan.com (forum.doozan.com)... 50.116.34.13
Connecting to forum.doozan.com (forum.doozan.com)|50.116.34.13|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 7319 (7.1K) [application/octet-stream]
Saving to: `file.php?3,file=160,filename=kwboot-tool.tar.gz,download=1'

100%[======================================>] 7,319       --.-K/s   in 0.08s

2015-04-26 17:10:55 (90.4 KB/s) - `file.php?3,file=160,filename=kwboot-tool.tar.gz,download=1' saved [7319/7319]

root@spike:/kwboot# ls
.  ..  file.php?3,file=160,filename=kwboot-tool.tar.gz,download=1
root@spike:/kwboot# tar -xvf file.php\?3\,file\=160\,filename\=kwboot-tool.tar.gz\,download\=1
kwboot-tool/
kwboot-tool/kwboot.1
kwboot-tool/kwboot
root@spike:/kwboot# cd kwboot-tool/
root@spike:/kwboot/kwboot-tool# ls
.  ..  kwboot  kwboot.1
root@spike:/kwboot/kwboot-tool# ./kwboot
-bash: ./kwboot: cannot execute binary file
root@spike:/kwboot/kwboot-tool# uname -a
Linux spike 3.14.0-kirkwood-tld-1 #1 PREEMPT Tue Apr 1 22:54:58 PDT 2014 armv5tel GNU/Linux
root@spike:/kwboot/kwboot-tool#