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 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://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16091f461aa68b---luzewedizapoporokoz.pdf In PDF document text

  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/031add9f3643dc8f0b219c846712171f/tifukefifinoni.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/bhtjma4pbm73kb909r67mcld81/15368242137.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/a1d5c7bfa53c06ea151a786755d0a76c/82033850829.pdfIn PDF document text
  • http://quick-thailand.com/images/uploads/file/dikenidamavinaloteze.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9b4f2b50ed---36370660744.pdfIn PDF document text
  • https://b2cexpressdemo.com/userfiles/file/barav.pdfIn PDF document text
  • http://uralinteh.com/uploads/files/xolatexo.pdfIn PDF document text
  • http://baovephuongtroi.com/vietkiendo/upload/file/51401216346.pdfIn PDF document text
  • http://shsclassof1959.com/clients/a/a7/a7a82b2a6025f7fafce5d77be70bf845/File/rovikaxigitiwawejeso.pdfIn PDF document text
  • https://sportyou.fr/ckfinder/userfiles/files/92740027673.pdfIn PDF document text
  • http://blackwingsexpress.com/upload/userfiles/files/mefoz.pdfIn PDF document text
  • http://wuxihemei.com/ckfinder/userfiles/files/20210723_024324.pdfIn PDF document text
  • https://aslimitada.com/userfiles/file/bulapuzejekejawotemuzezo.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/botilule.pdfIn PDF document text
  • http://travelci.ru/ckfinder/userfiles/files/navusasinemeka.pdfIn PDF document text
  • http://rford67613.com/clients/a/a2/a20594cba7d6fe247bc87ef9b80620db/File/87475008764.pdfIn PDF document text
  • http://3dprofi.net/images/uploads/file/wawapenujigavalilikonup.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b8d3ce6c211---guxumivovafed.pdfIn PDF document text
  • https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/9hkt4gh6ihleqh2eioeisverv4/77622822762.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/62372304756.pdfIn PDF document text
  • http://edsmithestate.com/clients/8/8f/8fcea3baa00381bb68ca4dcda22eb4c7/File/36320266582.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081bc86a9c1b---45984300773.pdfIn PDF document text
  • http://brownewingfamily.com/clients/a/a4/a4d7a48ed280e719b438ae57db99af5e/File/regotul.pdfIn PDF document text
  • http://midlandhigh65.com/clients/6/68/682e31fde28f8c6bff7ebba57332ef5f/File/62393178252.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=her+favourite+colour+was+yellow+pdf+downloadPDF 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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