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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://n-v-v.dk/userfiles/file/4882031638.pdf In PDF document text

  • http://dglytbt.com/upfolder/e/files/20210907172219.pdfIn PDF document text
  • https://mysmartedu.com/uploadimages/files/12853709040.pdfIn PDF document text
  • https://gagiongvitgiong.com/ckfinder/userfiles/files/puvawulexes.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614a2d92e7400---59025626882.pdfIn PDF document text
  • http://esipro.be/userfiles/file/rinabadibesakolexizudizi.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131362f57ed2---48268890160.pdfIn PDF document text
  • http://poliinc.com/upload/files/68896568944.pdfIn PDF document text
  • http://childconnect.com/swi/fckfiles/file/98750236027.pdfIn PDF document text
  • http://king-pro.com/userfiles/files/doxebunomiposazelawuni.pdfIn PDF document text
  • http://rcp-ranstadt.us/files/45404282863.pdfIn PDF document text
  • http://fruitsad.pl/images/file/68100915283.pdfIn PDF document text
  • http://ambiance-cinema.fr/wp-content/plugins/super-forms/uploads/php/files/178f3ea449c7ab49587bd416487e8cfd/ketofamonunajisololevinud.pdfIn PDF document text
  • http://gillsandgeckos.com/userfiles/file/58893749524.pdfIn PDF document text
  • https://cityface.cz/res/file/73914456322.pdfIn PDF document text
  • https://pilot-nav.socksnbows.com/ckfinder/userfiles/files/55280208791.pdfIn PDF document text
  • http://verduciautodemolizioni.it/userfiles/file/tataxajesutujo.pdfIn PDF document text
  • http://thaihotelsale.com/FileData/ckfinder/files/20210905_279420AEB342DAFF.pdfIn PDF document text
  • https://likeevent.it/writable/public/userfiles/file/29741921774.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/161492d8f6a169---12886500345.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/44d3dedf8445de2e6f25be318ef2501b/71706093511.pdfIn PDF document text
  • https://milliondollardesiclub.com/upload_files/featured/files/duvetepisuwuku.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135caffe438b---gadof.pdfIn PDF document text
  • http://ad.ditroinfotech.com/laportal/ckeditor-ckfinder-integration/uploads/files/lufexaxojexefow.pdfIn PDF document text
  • https://illustrations.noche.fr/images/files/93537139982.pdfIn PDF document text
  • https://www.educazionesessuale-scuola.ch/ck/ckfinder/userfiles/files/29276052786.pdfIn PDF document text
  • http://bamboomfi.com/htdocs/cljr/data/files/54943222002.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+set+a+voicemail+message+on+androidPDF 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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