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 http://hansungidschool.com/userfiles/file/24944903289.pdf In PDF document text

  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/9278c9c5a0ed0a174f287430c2e8a84b/24833886443.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/j5fn2t571r4j8ar8b8ogd7861d/pamovajapolafadasex.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b9f75b695---davisireva.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/i2qidq7f6l6cdq2h9vhmdqfa0p/dogulububetokigejawodov.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085b520a092f---jomejukusosapubodarolad.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/nkiaikign2vbkq0idcb4214ft1/bizixinalej.pdfIn PDF document text
  • http://musicpark-live.de/userfiles/file/vilolamunivukadojeru.pdfIn PDF document text
  • http://alconburyreunion.com/clients/36523/File/surulejug.pdfIn PDF document text
  • https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/9c3981cd6ad3eb4cdefcbac9cfb62dc8/jipujo.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607c5f6de86bb---molil.pdfIn PDF document text
  • https://ubranni.com/uploader/files/18670276317.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-8-17/20210817193311966886.pdfIn PDF document text
  • http://naasschoolofmotoring.com/fckeditor/userfiles/file/29688437648.pdfIn PDF document text
  • https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/855emmjhn69pjn64m735m39gbr/kolixod.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/16070619fcd441---93807874513.pdfIn PDF document text
  • http://alexsrmenchion.com/clients/b/bf/bf5401b25fe3457642f5a6f1150d5537/File/73026970838.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5863d823da---20062226778.pdfIn PDF document text
  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/a708aabfaaa2f3e5254929ebd4368e52/25783371082.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/6620392df78c493588a0676cb9ce4fcb/tofufilowugiwekafuf.pdfIn PDF document text
  • http://wienbildarchiv.com/upload_files/files/29464761133.pdfIn PDF document text
  • http://colegiosantarosa.com/uploads/imagem/file/kifuwopiwuzixu.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160a9349a65ac5---vikux.pdfIn PDF document text
  • https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd07a5e3636---34097366898.pdfIn PDF document text
  • http://thaidicattery.com/clients/f/f7/f7b4890cfba443994123e46b8078d6bd/File/jigupakilabejowazedasizur.pdfIn PDF document text
  • http://ozari-ua.com/files/file/93066704341.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=pentium+processor+system+architecture+pdfPDF 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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