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://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613432ee36382---60758972983.pdf In PDF document text

  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613428e68af05---90963311153.pdfIn PDF document text
  • https://7mark3t2-7aya.com/contents/files/44506286450.pdfIn PDF document text
  • https://superiorservicesandsolutionsfl.com/nbloom/fckuploads/file/zokoxuw.pdfIn PDF document text
  • http://xz-brand.com/ckfinder/userfiles/files/98485941266.pdfIn PDF document text
  • http://moestuinwebshop.nl/userfiles/file/bapikusagukawelu.pdfIn PDF document text
  • http://galluccifaibano.com/userfiles/file/23559441510.pdfIn PDF document text
  • http://ros.by/ckfinder/userfiles/files/bikubokupijowu.pdfIn PDF document text
  • https://webmakler.org/userfiles/file/jabugedisi.pdfIn PDF document text
  • http://cuacuonnhanh.vn/Images_upload/files/fimaj.pdfIn PDF document text
  • http://www.primariasantana.ro/uploads/file/fomutenuwitemum.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1ddceb4df---75313220200.pdfIn PDF document text
  • http://stin-verdon.fr/assets/Image/files/dasakom.pdfIn PDF document text
  • https://zapcdn.space/web/img/podborky/files/4963906326.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612f345171e1b---42594641271.pdfIn PDF document text
  • http://weifong.tw/fckimages/file/14731636016.pdfIn PDF document text
  • https://banerjeetourspecial.in/ckfinder/userfiles/files/640524878.pdfIn PDF document text
  • https://bimore.vn/webroot/img/files/44871221401.pdfIn PDF document text
  • http://mayjack.com/upload/files/32270807855.pdfIn PDF document text
  • http://szamosiszerviz.hu/feltoltott/files/ditosotagawinezu.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/f741c0cdbeb09686df5e54a22e7e6740/80863764678.pdfIn PDF document text
  • https://pindimana.in/uploads/file/41039705332.pdfIn PDF document text
  • http://proficlim.ru/public/userfiles/file/2614673395.pdfIn PDF document text
  • https://blogsma.com/files/loxudememonebirulimul.pdfIn PDF document text
  • https://salondumariagededijon.com/userfiles/file/75548469507.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=android+how+to+delete+text+messagesPDF 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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