Question:

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Sample:


8J+slfCfrLDwn6yS4paM8J+sj/CfrJDwn6yE8J+slfCfrLDwn6yS4paMCuKWjPCfrI7wn6
yE4paM8J+spvCfrLXwn6yE4paM8J+sjvCfrITilowK8J+ssPCfrJLwn6yw8J+sruKWjOKW
jPCfrK7wn6yS8J+sgvCfrJLwn6yACvCfrJHwn6yw8J+sg/CfrKvwn6yR8J+srPCfrLfwn6
yr8J+smPCfrInilowK8J+srvCfrK/wn6yw8J+skPCfrJTwn6yC8J+skfCfrIbwn6y18J+s
reKWjArilozwn6y58J+sk+KWjPCfrKPwn6yf8J+sovCfrKPwn6yD8J+st/CfrIMK8J+ssv
CfrLDwn6yu4paM4paI4paI8J+sq/CfrLjwn6yL8J+stfCfrJA=

Answer: scan


Sample:


8J+ssvCfrLrwn6y68J+skPCfrIDwn6yu8J+sp/CfrJcK8J+suvCfrJzwn6yp8J+shfCfrL
Hwn6yK8J+stfCfrK8K8J+ssvCfrLjwn6yy8J+slvCfrIvwn6yw8J+suPCfrJoK8J+snfCf
rKjwn6y68J+sp/CfrKfwn6yK8J+su/CfrK8K8J+slfCfrJPwn6yQ8J+sgPCfrLPwn6yW8J
+sjvCfrJYK8J+sgvCfrILwn6yC8J+sgvCfrILwn6yC8J+sgvCfrII=

Answer: fairfax_hd

Sample:

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Answer: pdf417


Keywords: Base64, UTF-8, PDF417


Solution:
  1. Decode the question as Base64.
  2. Treat decoded data as UTF-8 text.
  3. Render the text and you will see a code. (You may try typefaces like PragmataPro or Fairfax HD if you can’t see some of the characters.)
  4. Scan the code to get the answer.

Answer: this_pdf_is_not_that_pdf