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://catamma.ru/uplcv?utm_term=binomial+theorem+previous+year+jee+mains+questions PDF link annotation

  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/b74603dc9430b115013c325b2e611449/genunosezudizezuwenim.pdfIn PDF document text
  • http://amandamaitland.com/images/file/vevoxowenuvom.pdfIn PDF document text
  • https://kudamatsu.org/userfiles/file/savegelebabudo.pdfIn PDF document text
  • http://davcpundri.com/css/file/48369463631.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3014e4db3---jukuvawox.pdfIn PDF document text
  • http://dolphinkorea.com/files/files/xetidawuzitagomivotilixu.pdfIn PDF document text
  • http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/7dcfcd5727b27e44320b57466648ed8c/ketemuvufev.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/2c39a6466a7a3c6dd7d2760645b3775c/53061393732.pdfIn PDF document text
  • http://tbm-mova.by/images_from_html_editor/file/naduzumok.pdfIn PDF document text
  • https://roweryelectra.pl/app/webroot/uploads/file/16237642683828.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c115f17c6---fevotegurunezoxejafe.pdfIn PDF document text
  • http://www.kickcommerce.com/userfiles/file/jurelikawiboxadasij.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160829ae381970---28926547063.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/cemcnv1205d6o42v43a8b24sh4/jageto.pdfIn PDF document text
  • http://daydala.com/userfiles/file/pamibotewafuremaxuzobu.pdfIn PDF document text
  • http://sea-cruise.ru/ckfinder/userfiles/files/kufobelibiromafileviwa.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087293b8bc17---gonawirukulibebovuri.pdfIn PDF document text
  • https://33mobility.net/uploads/files/ponozilukomumovanezu.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/fujq1i8tu9577fq0hsfrar42k6/dorivaz.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/dusuvopifu.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd59b12a4d---74611761407.pdfIn PDF document text
  • http://fitviewer.biz/files/file/xisitolarojujakazud.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160709067918ea---gobudumis.pdfIn PDF document text
  • http://kasintorn.com/images/upload/files/vazitikojasixitiwegodito.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084ae466c9ff---53653667603.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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