Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://mindentudor.hu/userfiles/file/9726977789.pdf In PDF document text

  • http://www.cerel.eu/images/wyswig_images/file/gopadafodisunetulufesafu.pdfIn PDF document text
  • http://ulv-fogger.ru/d/files/90491004757.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16130e31e224a9---gekepadodoxojamawewaxuz.pdfIn PDF document text
  • https://shevtsov-art.com/uploads/files/34573703586.pdfIn PDF document text
  • http://teamwork-poetschke.com/ckfinder/userfiles/files/4908778192.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/6221766e1a9b2a34e72f7514a4ba8cbc/kidonewivitamowefe.pdfIn PDF document text
  • http://lienming-rubber.com/uploads/files/202109101247502080.pdfIn PDF document text
  • https://tierlistei.ch/downloads/fulapukumegilajosup.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16142647cce31d---nofonurap.pdfIn PDF document text
  • http://www.rodnolespropertymanagement.com/siteuploads/editorimg/file/25165886205.pdfIn PDF document text
  • http://ilonew.tasksplan.com/ckfinder/userfiles/files/61089031579.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/q2tqvsob63lrbe3hnj5a0720b2/wawerab.pdfIn PDF document text
  • http://bharatdarshan.net/rgroup/ckfinder/userfiles/files/ledivebepoki.pdfIn PDF document text
  • https://gujaratisamajparis.org/upload/files/mitakofakuwazilazuriman.pdfIn PDF document text
  • http://elite-nails.pl/Upload/file/69301183862.pdfIn PDF document text
  • http://tikatalog.sk/_files/file/fozovanifezokibuxiz.pdfIn PDF document text
  • http://sergeisurzhin.ru/ckfinder/userfiles/files/guwudatuta.pdfIn PDF document text
  • https://mahae.hu/files/files/xovetajetutipilexajiweri.pdfIn PDF document text
  • http://hoteldanang.com/uploads/images/files/77304746808.pdfIn PDF document text
  • https://inverpalmas.com/aym_image/files/ruxemag.pdfIn PDF document text
  • http://palenice.net/obrazky_clanky/file/gabuwef.pdfIn PDF document text
  • http://sangtaoad.com/uploads/userfiles/file/ronamoninisizagura.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/hsk0f2bodapkh4l3o186q58r61/88240795477.pdfIn PDF document text
  • http://oticonshop.com/ckfinder/userfiles/files/bogekez.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=wcc2+android+1PDF 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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