I have done a quick check on one of pearson's older domains heres what i found:

    Common email used in registration for domains: clive.carmock@pearson.com
    Email used in 100+ differnt domains most likly owned by pearson
    Pearson is either affiliated with DK.com or owns it
    DK.com either has been attacked or DK.com is indeed a malware site
    Malware on DK.com:
[HW32.CDB.16f0] [Trojan.Win32.Kryptik.mwe (v)] [Trojan ( 0040f72a1 )] [Backdoor.Hlux!hl4OBD+jyQw] [Kryptik.CCFN] [Backdoor.Win32.Hlux.djqf] [Trojan.Win32.Hlux.cxbctj] [TrojWare.Win32.Kryptik.BZOO] [Mal/Kelihos-A] [Trojan[Backdoor]/Win32.Hlux] [Backdoor:Win32/Kelihos] [Trojan/Win32.Tepfer] [Heur.Trojan.Hlux] [a variant of Win32/Kryptik.BZIX] [Trojan.Crypt_s] [W32/Hlux.BWUN!tr.bdr] [Crypt_s.GHE] [Trojan.Win32.Kryptik.BZIX]
    MD5 Hash used by either a attacker who took controll of DK.com or DK.com is: 427481f8e79f0ee33385c9da2fe00111
    Please do not visit DK.com if you do take caution and visit it on a linux machine

	Email owns the following domains:
	wallstreetenglish.com	2002-08-25
	mylawlab.com	2012-08-17
	ediplc2.com	2010-03-16
	cbseworksheets.com	2013-10-29
	pearson-intl.com	2011-10-20
	pearsonthankyourteacher.com	2013-09-27
	edurite.com	2000-02-22
	e-wsi.com	2000-05-17
	penguinbooksindia.com	2000-12-22
	dkimages.com	2000-03-28
	wallstreetinstitute.com	1996-10-14
	meuingles.com	2008-01-14
	tutorcircle.com	2007-03-20
	mathcaptain.com	2011-11-15
	sndev.net	2012-04-18
	pearson.com	1996-11-25
	wsicommunity.com	2007-10-03
	eduaas.info	2013-12-11
	tutorwista.com	2006-11-23
	always-learning.com	2011-01-23
	amarajyoti.com	2010-05-05
	athomewithreading.com	2010-12-06
	allthemath.com	2011-07-26
	activelearnprimary.com	2012-07-12
	asnanischool.com	2011-10-05
	atlantisrevelation.com	2013-04-04
	alexgarland.com	1999-02-20
	berkleyuk.com	2011-09-22
	algebra-1-help.com	2012-03-30
	algebra-2-help.com	2012-03-30
	algebrawordproblemsolver.com	2012-03-30
	asuitablegirl.com	2009-06-29
	brainpizza.com	2009-04-16
	blogabeachread.com	2008-04-23
	blogaclassic.com	2007-05-22
	blogapenguin.com	2007-05-22
	blogapuffin.com	2008-04-23
	blogathriller.com	2008-04-23
	blogthepenguinclassics.com	2007-05-22
	brilliantseries.com	2010-04-28
	bbcactivelanguages.com	2008-07-17
	chiappasisters.com	2012-05-30
	circletutor.com	2011-04-25
	cosmic-english.net	2010-07-28
	dawnfrenchbooks.com	2010-06-08
	darcyhitsback.com	2003-12-04
	cultoftheasshole.com	2008-01-02
	discoveryisland.net	2000-05-07
	dke-ciencia.com	2009-01-20
	dke-encyc.com	2003-07-04
	dke-guides.com	2013-05-15
	dke-nature.com	2003-07-04
	dk-es.com	2009-01-08
	dkeyewitnesstravel.com	2012-05-23
	dkfamily-learning.com	1999-11-24
	dkquiz.com	2011-02-22
	dkquiz-fr.com	2011-08-22
	dkreadersapp.com	2013-12-05
	dktheroadlesstravelled.com	2009-09-01
	dktravelguide.com	2012-05-23
	dktravelguides.net	2012-05-23
	eduriteone.com	2011-05-05
	eduritevista.com	2011-01-15
	eltcommunity.com	2010-03-10
	dstjindia.com	2012-04-04
	eltmarketshare.net	2008-10-21
	english.com	1994-08-24
	englishprep.com	2000-05-02
	endlessbookself.com	2007-11-05
	eworksheet.com	2002-04-29
	exam2score.com	2007-01-16
	examcountdown.com	2010-02-11
	eyewitness-travel.com	2000-07-24
	fastphonicsfirst.net	2005-10-17
	flowerfairiesfriends.com	2005-07-18
	fractions-to-decimals.com	2012-03-30
	freeroughguides.com	2008-02-19
	getgcemaths.com	2013-02-14
	frederickwarne.net	2008-11-05
	goalsci.com	2002-12-03
	free-math-help.com	2012-03-30
	godsandwarriorsbooks.com	2011-08-24
	hayseedfoundation.com	2009-01-26
	harcourt-be.com	2004-01-28
	harcourt-fi.com	2004-01-28
	harcourt-it.com	2004-01-28
	harcourt-nl.com	2004-01-28
	harcourt-no.com	2004-01-28
	harcourtprimary.com	2002-05-08
	harcourt-pt.com	2004-01-28
	happybirthdaypuffin.com	2006-12-13
	hitchhikersbooks.com	2009-03-13
	halfbadbooks.com	2013-06-06
	hillside-academy.net	2009-03-30
	halfmooninvestigations.com	2006-01-03
	how-to-multiply-fractions.com	2012-03-30
	idiotsguidesblog.com	2011-01-11
	iamno4.com	2009-11-12
	iamnofour.com	2009-11-12
	intouchclub.net	2000-09-14

            -Kmak