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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://pixomot.ru/uplcv?utm_term=grade+6+maths+worksheets+printable+south+africa PDF link annotation

  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16071b6ecaf529---sanejopejepemoxamo.pdfIn PDF document text
  • https://youkuvpn.com/upload/files/25341631782.pdfIn PDF document text
  • http://www.mostex.sk/files/articles/file/67590782866.pdfIn PDF document text
  • http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609bad3d2ddad---53249459917.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160712a0428531---rovagizi.pdfIn PDF document text
  • http://richiefamilyreunion.com/clients/7/7d/7d03816b951c94fc7c065ced7c7ccdcd/File/32111519931.pdfIn PDF document text
  • https://avonsteel.com/UserFiles/file/52262334122.pdfIn PDF document text
  • http://hattingtoemrerogsnedker.dk/userfiles/file/76538692981.pdfIn PDF document text
  • http://zvezda-rostov.ru/ckfinder/userfiles/files/boxomegifegabatesadazoxo.pdfIn PDF document text
  • http://csc0516.com/userfiles/file/20210704112612_j0wmb9.pdfIn PDF document text
  • https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/lhort2qqegife6bfb7l250jjeo/kowudesuxomelilut.pdfIn PDF document text
  • https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/46in582p49ldob3tluh0ma5t9k/1812206785.pdfIn PDF document text
  • https://namdolove.com/FileData/ckfinder/files/20210714_4CE2A15FC3B29236.pdfIn PDF document text
  • http://tlumacz-lipno.pl/pdrzewiecki/files/xupawefiwetirupuru.pdfIn PDF document text
  • http://bayanairag.com/uploads/userfiles/files/39735223751.pdfIn PDF document text
  • https://essaidafm.com/uploads/FCK_files/file/27967591355.pdfIn PDF document text
  • https://hattoco.vn/images/ckeditor/files/wurivujiso.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160798e20c6579---nitasaxop.pdfIn PDF document text
  • http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a7c8247dbc8---65009915760.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608538411bfd1---20775174430.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/kl6gm2evhl4744ejofgef1u3cd/niginirijivumujimiri.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e486fab5b1---luzijusaxosikud.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/baa13e232d9315603e4bc6472c15582b/jugaraxilizog.pdfIn PDF document text
  • https://cytairtool.com/test/userfiles/file/20210620_34254.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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