Draw this #CCCFD6 color shape with pen tool :
Adjust the nodes :
Draw another #898E94 colored shape with pen tool :
Draw this #494E52 color shape :
Draw another shape with similar color :
Draw this #CCCFD6 colored shape
Adjust the nodes :
Now, draw this #8F969C colored shape :
Finally draw #DADFE3 colored shape. Use 1 pixel wide line tool to draw lines below this shape to give it a embossed look :
Group and merge these two layers. Duplicate and place them as shown. Our icon is ready :)
Alternatively, you can draw a paper to give it a fax machine icon look :)



