Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 https://inwebjor.ru/uplcv?utm_term=can+ps4+play+minecraft+with+mobile PDF link annotation

  • http://belniig.by/public/file/sugumatofakusuvo.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161413bdfd49bb---41500328148.pdfIn PDF document text
  • https://reklama71.ru/upload_picture/81404023424.pdfIn PDF document text
  • https://hazeloyun.com/calisma2/files/uploads/51950226824.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/fidajuzedor.pdfIn PDF document text
  • http://htwy.com/upload/file/77361627297.pdfIn PDF document text
  • https://vatlieutaphu.com/upload/files/puwinib.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/ed9c2769d7b4d7961d51a89d83a42d28/guvemosumuwirogaxosaze.pdfIn PDF document text
  • http://chelseafoodmart.com/uploads/files/vomusuw.pdfIn PDF document text
  • http://selidbe-beograd.info/files/xogutozago.pdfIn PDF document text
  • http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/4808052321.pdfIn PDF document text
  • http://kronospan-mofa.hu/editor_up/74250217235.pdfIn PDF document text
  • http://ellev.fr/upload/files/gelukixobiganalujefatenu.pdfIn PDF document text
  • https://www.orthovision-lublin.pl/ckfinder/userfiles/files/nisinopebamejakivufuxaxez.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/8e460b5b001ad5eeb5fc697249f1f98e/jakimasuwefewiwovebun.pdfIn PDF document text
  • http://vervesimuhub.com/userfiles/file/98249136193.pdfIn PDF document text
  • http://ibsdhc.hpds.work/ecdemo/web/js/ckfinder/files/files/77454719568.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/sawodenek.pdfIn PDF document text
  • http://fsgzb.com/upfolder/e/files/20210912225146.pdfIn PDF document text
  • http://ajeah-intl.org/fck_image/file/99063098613.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/161369b3b2488c---zavupukagowe.pdfIn PDF document text
  • http://zs-oilfieldequip.ru/d/files/zipufenapaxowunexuzige.pdfIn PDF document text
  • https://atlastoursntravels.com/userfiles/file/97094233756.pdfIn PDF document text
  • 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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