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://pistant.ru/uplcv?utm_term=ecba+study+guide+pdf PDF link annotation

  • https://arhometutor.com/userfiles/file/6798723825.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/7966ac9a46271a98f3c2e438fd54784b/20929607735.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5097e17f6e---23088701015.pdfIn PDF document text
  • http://studiobonvino.com/userfiles/files/60607601234.pdfIn PDF document text
  • http://szentimresiklos.hu/upload/file/13758846961.pdfIn PDF document text
  • http://headrepublic.pl/images/files/kutet.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608b3e47ad417---desazitufizatu.pdfIn PDF document text
  • https://marwaautorepair.com/nbloom/fckuploads/file/tugasumagigumixawoxir.pdfIn PDF document text
  • http://mkconline.com/landmark/ckfinder/userfiles/files/68403916994.pdfIn PDF document text
  • http://musthighschool.mn/ckfinder/userfiles/files/79336137749.pdfIn PDF document text
  • https://makeswebsites.com/clients/c/c8/c8c605999f3d8352d7bb792cf3fdb25b/File/81911781112.pdfIn PDF document text
  • http://candemdientu.com/Images_upload/files/14019407669.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160ae0a2e294e3---30744237156.pdfIn PDF document text
  • https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/h90ht1merjo0pp4rbtsptq263b/44875974959.pdfIn PDF document text
  • http://davisfolk.net/clients/1/1f/1f1070e31f35868a9a13f38ee7dc887f/File/59570049546.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1d9b1500c9---pakabezogokidibadiw.pdfIn PDF document text
  • https://zevkotodoseme.com/upload/ckfinder/files/55969662816.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/rpa4vkr8oht71hfk9d5lbt33tb/zajisaxijekodupifadaru.pdfIn PDF document text
  • https://tkquiz.com/userfiles/file/49962654305.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608d59947d4cc---24701741073.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/rtbraf2psh8svrpvom6ip1lb2t/luwigusetaridusapegig.pdfIn PDF document text
  • http://mp-hd.de/data/aktualnosci_imgs/file/34404659757.pdfIn PDF document text
  • http://drxzhang.com/userfiles/file/12073490198.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612149294a78e---92482888191.pdfIn PDF document text
  • https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/97cb08aqs3mffhd6doleccv389/dopinegininemetenewewifex.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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