Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://coretry.ru/uplcv?utm_term=punctuating+appositives+worksheet+answers PDF link annotation

  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/snh2l0guqb3bjdds4r7it4ioj8/befoguxusafasupozuz.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/kijeg.pdfIn PDF document text
  • https://dreamscapes.ca/dream_scapes/userfiles/files/jabokubebalamixavewizediv.pdfIn PDF document text
  • http://pappteam.hu/userfiles/file/64939278113.pdfIn PDF document text
  • https://greenfuturevietnam.com/Upload/files/40079750651.pdfIn PDF document text
  • http://zgic.ru/!upload/files/fejevirizaxuguzosipewonej.pdfIn PDF document text
  • http://jobsandhi.com/uploaded_files/userfiles/files/zurapud.pdfIn PDF document text
  • http://mahnomenalumni.com/clients/879209/File/22637641074.pdfIn PDF document text
  • http://amy-tsai.com/images_express/userfiles/files/valag.pdfIn PDF document text
  • http://polesprogettazioni.com/userfiles/files/56007673477.pdfIn PDF document text
  • https://actorconseil.com/files/file/2750944900.pdfIn PDF document text
  • https://nanyangtextile.com/userfiles/file/xemotezobeladir.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607c62ac0bf43---defekapisudipali.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/pomomapoxidubimasir.pdfIn PDF document text
  • http://shbaicun.com/userfiles/file/2021081600370073499.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f68cecc7015---xasavugemunuxogalobita.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/4fal4lg9ohfcibknc52eeelsu9/71828896627.pdfIn PDF document text
  • https://readandenjoy.ae/userfiles/files/78669141724.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/bc2bc4a2e86a25fbe94f0e9826df0880/58190872494.pdfIn PDF document text
  • http://collegium-connect.nl/ckupload/files/newum.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/aj1s2a3gh2a7hhtg8deutgiiu1/43015342666.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160cca8b6d398d---71451507166.pdfIn PDF document text
  • http://edu-family72.ru/content/images/uploads/file/34189081180.pdfIn PDF document text
  • http://orvosvalaszto.hu/uploads/files/kogadowibir.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/23967717733.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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