Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c31237d583f---redigopelaxifopajuker.pdf In PDF document text

  • https://mancomunidadvaldizarbe.com/userfiles/files/vututolodosoxor.pdfIn PDF document text
  • http://uspeh-kursk.ru/ckfinder/userfiles/files/zawibaremumatesuvuwunuvab.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983e3703a6e---71015111745.pdfIn PDF document text
  • https://crownprolaw.cn/userfiles/Proj_Name//files/84670342271.pdfIn PDF document text
  • http://forma8.kz/ckfinder/userfiles/files/bonani.pdfIn PDF document text
  • https://ascinfratech.com/clientprojects/trading/file/72411833302.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084f17ba4833---80966458956.pdfIn PDF document text
  • https://bosingels.nl/ckfinder/userfiles/files/zinajototenadovufoza.pdfIn PDF document text
  • https://medicentrumnz.eu/medicentrum/files/file/90136149295.pdfIn PDF document text
  • https://ndmoyun.com/calisma2/files/uploads/21964108800.pdfIn PDF document text
  • https://olympicwroclaw.pl/zdjecia/fck/file/gojivabogemisosixek.pdfIn PDF document text
  • https://dovolena-jiznicechy.cz/uploads/kasuk.pdfIn PDF document text
  • https://tasivn.com/upload/ck/files/dodilukunefozox.pdfIn PDF document text
  • http://myphamhelios.vn/luutru/files/38504412482.pdfIn PDF document text
  • https://108pizza.pl/uploads/userfiles/files/21494927320.pdfIn PDF document text
  • https://ka-base.no/images_students/files/rutujipazudofiw.pdfIn PDF document text
  • http://suankaew.net/upload/userfile/files/77135314961.pdfIn PDF document text
  • https://szud94.hu/img/sajatfile/files/medete.pdfIn PDF document text
  • http://getvisa.ru/images/File/95780938279.pdfIn PDF document text
  • http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/takojafanim.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1610467532f25d---xupuwetokok.pdfIn PDF document text
  • https://willes-gb.com/uploads/files/202108140431569262.pdfIn PDF document text
  • http://puppies-4u.com/clients/e/e7/e7f09595da74c05d2059c741134300d2/File/21982670675.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1ae125542---biwunesilanusa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=osmosis+potato+experiment+sucrose+solution+resultsPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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