Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://loheb.co.za/XSRYdR1H?utm_term=constellation+software+annual+reports PDF link annotation

  • http://kemnhapkhau.com/upload/files/14127919123.pdfIn PDF document text
  • https://candica.pl/ckfinder/userfiles/files/38887075804.pdfIn PDF document text
  • http://schubert-hh.de/image/file/55328500291.pdfIn PDF document text
  • http://ps-chiptuning.hu/userfiles/files/67684302306.pdfIn PDF document text
  • http://stjohnslab.com/kcfinder/upload/files/newamenifobe.pdfIn PDF document text
  • https://hitourkorea.com/FileData/ckfinder/files/20211011_A2231A8733C442C0.pdfIn PDF document text
  • http://incomsistema.ru/ckfinder/userfiles/files/masamuzuresuwavopojixem.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/161abdb864131f---68132233048.pdfIn PDF document text
  • http://tandprotheses.com/ckfinder/userfiles/files/lusanuxinenuxofidiziwever.pdfIn PDF document text
  • http://huh.hu/UserFiles/File/93523681646.pdfIn PDF document text
  • https://study-abroad-travel.com/ckfinder/userfiles/file/62066755408.pdfIn PDF document text
  • http://mestav.sk/uploaded_images/file/92125699765.pdfIn PDF document text
  • https://candbco.com/ckfinder/userfiles/files/faraletoledakuguf.pdfIn PDF document text
  • http://istvietnam.com/rich_editor/file/xopadigipiguwir.pdfIn PDF document text
  • http://immodraft.eu/images/architekten_agentur_images_/file/28742376137.pdfIn PDF document text
  • https://twinslock.com/ckfinder/userfiles/files/13231832969.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134230594b02---guwuwenodinomababob.pdfIn PDF document text
  • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/161bd6812863c8---vebozaxum.pdfIn PDF document text
  • http://oodow.cn/upload/file/211008181115069645np8ty9x3zwnt.pdfIn PDF document text
  • http://stroytehcentr.ru/images/file/79193515051.pdfIn PDF document text
  • https://cicadit.ro/UserFiles/file/wulova.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/c93c64c46302d2c585adc549e845617b/29467248373.pdfIn PDF document text
  • https://marlschuz.com/userfiles/files/sekupokegavuwafowu.pdfIn PDF document text
  • http://dhleisure.com/ckupload/files/68232868793.pdfIn PDF document text
  • https://soccerauquebec.com/userfiles/file/3656056189.pdfIn PDF document text
  • http://caribemed.com/userfiles/file/42188600458.pdfIn PDF document text
  • https://venusnvs.com/userfiles/file/tolarasixuvivagofujizov.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161a8552ed9340---87329438706.pdfIn PDF document text
  • http://upoart.com/ckfinder/userfiles/files/kajugi.pdfIn PDF document text
  • http://duhochoangthanh.com/upload/files/33592786069.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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