need help with abc us

[chanc]

I want to download this video with ffmpeg

http://abc.go.com/shows/world-news-w...nters-day-four

I got the m3u8 link like this :

http://content-us-east-1.uplynk.com/...cd539ba9e75feb

while I applied it to ffmpeg, I got the following statement:

>ffmpeg -i "http://content.uplynk.com/67d9a2a845514273ad2c49c7f1ff73ab.m3u8" out
.mp4
ffmpeg version N-59070-gecb21d2 Copyright (c) 2000-2013 the FFmpeg developers
built on Dec 13 2013 22:06:23 with gcc 4.8.2 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
eex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aa
cenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavp
ack --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
libavutil 52. 58.100 / 52. 58.100
libavcodec 55. 45.101 / 55. 45.101
libavformat 55. 22.100 / 55. 22.100
libavdevice 55. 5.102 / 55. 5.102
libavfilter 3. 92.100 / 3. 92.100
libswscale 2. 5.101 / 2. 5.101
libswresample 0. 17.104 / 0. 17.104
libpostproc 52. 3.100 / 52. 3.100
[https @ 0000000005c90e60] HTTP error 403 Forbidden
Unable to open key file https://content-us-west-2.uplynk.com...2?b=67d9a2a845
514273ad2c49c7f1ff73ab&v=67d9a2a845514273ad2c49c7f 1ff73ab&r=d
[hls,applehttp @ 00000000029b6860] Error when loading first segment 'http://stg-
ore-g.uplynk.com/slices/67d/ab1b22eefb9149afa95e2779c00e9e47/67d9a2a845514273ad2
c49c7f1ff73ab/D00000000.ts?x=0'
http://content.uplynk.com/67d9a2a845...f1ff73ab.m3u8: Invalid data fo
und when processing input

please help .
thank you in advance.