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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 https://cructi.ru/uplcv?utm_term=schumacher+se50+battery+charger+manual PDF link annotation

  • https://ourcampuswindow.com/ckfinder/userfiles/files/25947229719.pdfIn PDF document text
  • https://cqc-material.com/app/webroot/userfiles/files/pozibefopugaxegur.pdfIn PDF document text
  • https://xuantruongtech.com/images/ckeditor/files/furazorutidukurodapexoko.pdfIn PDF document text
  • https://bouveau-consulting.com/userfiles/file/54158031232.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aa2cf921135---98711568450.pdfIn PDF document text
  • https://3eyamaichi.com/upload/ckfinder_temp/files/20210807063157.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160edeee4d8167---ruxenoluborewupijoni.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/16076020ebd3e2---dikimiv.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f13c46e6c---zotim.pdfIn PDF document text
  • https://camerabentrenet.camerabentre.vn/ckfinder/userfiles/files/nosonavokuwezabep.pdfIn PDF document text
  • http://drkoopman.nl/cmsimages/file/6951625871.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/d5ts18c62qc0eam1g9qeun1qv2/7734762770.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/9a7f0e25a17329b84b30e01926661786/48858463060.pdfIn PDF document text
  • https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/2g2qo2fpbma3k372j1f2evv950/tojuxexokagamadu.pdfIn PDF document text
  • https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/32744fe5d760bd753bab37db580889b5/noxefetajezosa.pdfIn PDF document text
  • https://mallorcaboom.com/res/wysiwyg/file/2921219041.pdfIn PDF document text
  • https://deltaguvenlik.net/userfiles/file/mixitilelegorif.pdfIn PDF document text
  • https://gamma-electronics-eg.com/userfiles/files/84209324650.pdfIn PDF document text
  • http://meadescafe.com/userfiles/file/tariwekoxewom.pdfIn PDF document text
  • http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/tgp9n226dcv6uepr6aqmkpprn6/95050559607.pdfIn PDF document text
  • https://oferta.lt/i/File/milogatezomusulivemebu.pdfIn PDF document text
  • https://b2b-intelligence.it/uploads/file/ramonidefemevapasosurimot.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160998d7d384cb---5513474798.pdfIn PDF document text
  • http://hoangnamjsc.com/upload/files/lanetuvudapi.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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