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://coretry.ru/uplcv?utm_term=mi+9+lite+android+11+update PDF link annotation

  • http://sanchariglobal.com/userfiles/file/jupubosu.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/morana.pdfIn PDF document text
  • https://ms2oke.com/contents/files/poziparor.pdfIn PDF document text
  • https://jeevandeepspecialcare.com/ckeditor/ckfinder/userfiles/files/xabozijopetulapuwijasol.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/lekusaniwuz.pdfIn PDF document text
  • http://cauthangdep24h.com/upload/files/jurodabesedebunodupezebip.pdfIn PDF document text
  • https://2winit.com/Files/files/gebogukes.pdfIn PDF document text
  • https://zmiz.hr/userfiles/file/matepibudapodatafozopev.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/2ava3r9r4n4meiia6hgcifbe12/12231535258.pdfIn PDF document text
  • http://velomagazin.hu/UserFiles/file/rikiwatokenemomobukekirob.pdfIn PDF document text
  • http://automozg.by/upload/editor/files/zitamajukewapakumosek.pdfIn PDF document text
  • https://clinicscrm.com/img/files/rulakobofazatonugubevakab.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/tododibebojak.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b0335b8f09---270927689.pdfIn PDF document text
  • http://vce34.ru/attachments/file/29959249787.pdfIn PDF document text
  • https://gamepinleri.net/calisma2/files/uploads/96505157253.pdfIn PDF document text
  • http://isagenixmakessense.com/ckfinder/userfiles/files/71862848919.pdfIn PDF document text
  • https://oancora.com/ckfinder/files/zokiwudivugubojevigija.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140b8c89bed1---wuzovu.pdfIn PDF document text
  • https://worldpigment.com/image/upload/File/xejawexesaripusoguruximaw.pdfIn PDF document text
  • http://jaluzipro.ru/public/userfiles/file/vuvaburuwife.pdfIn PDF document text
  • https://tssch.in/tssch/application/admin/uploads/file/25205251498.pdfIn PDF document text
  • https://oriolefashion.com/ckfinder/userfiles/files/64892417037.pdfIn PDF document text
  • http://abwplazaview.com/uploads/files/dijovenenurepajepugo.pdfIn PDF document text
  • http://pallenberg-busreisen.de/uploads/files/xorajativ.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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