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SelectOK, StepStartAdobeAcrobatonyourcomputerandfindtheRedactoptioninToolsmenuIfyourequestthattextbehidden,thatisexactlywhatyou got.ClearthePrinthiddentextcheckboxtoprintthedocumentwithoutincludingthehiddentext.Step4Wewouldliketoshowyouadescriptionherebutthesite won’tallowmore3, File>Options>Display>Printingoptions>PrinthiddentextmustbedeselectedFile>Options>Display>Printingoptions>Print hiddentextmustbedeselectedModifiedyears,monthsagoViewed2ktimesSoIhavenotesfromalecturer,wherethebackgroundcolourisatraditionalwhite ThathiddentextisabsolutelynotinthePDFfileandthereisnothingyoucandowiththePDFfileitselftoretrievethattextIntheWordOptionsdialogbox,goto theleftpanelandselectDisplayIt'saDisplaysettinginWordStepClickonthebuttonwiththetext‘Selectafile’andnavigatetothePDFfileofyourchoice Thankstoacolleague,Ifoundtheculprit!Iftextis“hidden”inanOfficedocument,itisnotsentouteitherviaaprintpathoraPDFcreationpathYou'llgeta searchablePDFdocumentasaresult,wheretheinvisibletextisoverlayedontheoriginalimagesatthecorrectlocations.Isthereawaytomakethishiddentext visibleinthemaindocument?InthisepisodewecreateasamplefilecontainingahiddenmessageandtryIftextis“hidden”inanOfficedocument,itisnotsentout eitherviaaprintpathoraPDFcreationpathStepClickonText&Imagestoselectelementstoberedacted,oruseFindTexttosearchforspecificphrasesinthe documenttoblackoutItcontainssomemathematicalequationsthatarevisibleasfarasIcantellonlythroughtheExamineDocument>ShowHiddenTextoption ThathiddentextisabsolutelynotinthePDFfileandthereisnothingyoucandowiththePDFfileitselftoretrievethattextIhaveaPDFthatsomeoneelse createdInthePrintingoptionssection,selectthePrinthiddentextcheckboxtoprintthedocumentincludingthehiddentextIfyourequestthattextbehidden, thatisexactlywhatyougotSolved:Here'sapuzzlerforyouallNowIhavethesameimage()asbefore:Let'strytohidethefileintoit:$pythonsteganographye-f-bWepasstheimageusingthe-eparameter,andthefilewewanttohideusingthe-fparameterPartofdataforensicsCapturetheFlag(CTF)-typegames involvesSteganographyAskedyears,monthsagoAccordingtoDovIsaacsinthisthread:Solved:ShowhiddenTextinPDFAdobeCommunity,"Iftextis “hidden”inanOfficedocument,itisnotsentouteitherviaaprintpathoraPDFcreationpath"I'mexperiencingtheopposite:WhenIsendmyworddoctoPDF (byanymethod),allofthehiddentextshowsupinthePDFoutputAskQuestionAccuracyoftheOCRprocessToinspectthe APDFversionofthis documentwithembeddedtextisavailableatthelinkbelow:Downloadtheoriginaldocument(pdf),·GotoFile>OptionsHehassolutionsin$\LaTeX$onthe PDF(Iknowit'stheresinceIcanhighlightit,butIcan'tcopyit)LocatethePDFdocumentcontainingthehiddentextbyclickingthe"File"menuandselecting "ChooseFile"Selectthe"Document"menuandclickthe“ExamineDocument”AdobeAcrobat1Correctanswer