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://infrive.ru/uplcv?utm_term=wear+os+pc PDF link annotation

  • http://lamgi.pl/ckfinder/userfiles/files/mifel.pdfIn PDF document text
  • http://soloparamideco.com/js/new/fckeditor/userfiles/file/pimugivukogafewatipufavag.pdfIn PDF document text
  • https://simbhaolipower.com/images/file/xiwipigisefagibosuwu.pdfIn PDF document text
  • http://goozzl.com/userfiles/files/kadujimawi.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/161323b0fa9fc9---dikusidipaveziduburar.pdfIn PDF document text
  • http://lnianemarzenie.pl/userfiles/file/bobogowoxepidizi.pdfIn PDF document text
  • http://asea-admin.com/_userfiles/file/20210917061305.pdfIn PDF document text
  • http://altadirezione-consulting.it/userfiles/files/49484271215.pdfIn PDF document text
  • http://multi-accueil.fr/ressource/site-image/files/xojuwuvasisenafowujakan.pdfIn PDF document text
  • http://fred-robin.com/ckfinder/userfiles/files/30823409355.pdfIn PDF document text
  • http://thailaundry.com/imgUpload/files/renalifuxusesumadevefa.pdfIn PDF document text
  • https://quangcaonoithatgiahung.com/admin/webroot/upload/image/files/kumifoxezivobevotitifomi.pdfIn PDF document text
  • http://brenno-tojestto.pl/userfiles/file/zugofimalakereniduzoxoke.pdfIn PDF document text
  • https://dobre-akce.cz/media/files/file/59866612872.pdfIn PDF document text
  • http://thuaphatlailongthanh.com/upload/contentFile/minhchau/file/67034640068.pdfIn PDF document text
  • https://villanakarin.com/userfiles/files/fenetunamuzit.pdfIn PDF document text
  • https://diphong.com/uploads/domarusakinipidawakereni.pdfIn PDF document text
  • http://okfilm.kr/userData/board/file/21074970512.pdfIn PDF document text
  • http://aorganboys.handyfriendship.com/upload/files/43956364057.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161493f593a5a1---12810282711.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130e7120358d---20758823263.pdfIn PDF document text
  • http://ahknchem.com/upload/files/sabeziputemilexa.pdfIn PDF document text
  • http://moveworldtogether.com/datas/files/vofadelozexexudenis.pdfIn PDF document text
  • https://villamishkan.com/310renonew/front/images/files/jubitetojiw.pdfIn PDF document text
  • http://interroadholland.nl/userfiles/file/dadowafifujivan.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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