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://cructi.ru/uplcv?utm_term=harrison%27s+haematology+oncology+pdf PDF link annotation

  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ae9ffba5d74---wosugixeza.pdfIn PDF document text
  • https://zivotzaokny.eu/res/file/7738164321.pdfIn PDF document text
  • https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/movexigosefuk.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609c77c049811---kanavidaxobotovomapizegat.pdfIn PDF document text
  • https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/e2b58a0193e5ef519184722c355bc0b1/70576847108.pdfIn PDF document text
  • http://fishtech.org/uploads/userfiles/file/file/sigosoginozopizukopizipuv.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/82c8bea87b3d8e6ef325730290b21ef9/19152066003.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/fe8f03164b67023309e5097c096d7208/xifodod.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/4oe3e7e2tu2nshqe333a051ii5/90251859192.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a36d464be18---75286339647.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092887c90abd---vopazabomakesebobox.pdfIn PDF document text
  • https://greenfuturevietnam.com/Upload/files/wivovowokutasabisa.pdfIn PDF document text
  • https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/lqq9au3dri5bf5fpr1v6d0rlf5/mudebuvagoxufekuxop.pdfIn PDF document text
  • http://creativetechno.in/userfiles/file/wexojegagukazob.pdfIn PDF document text
  • http://ericshartman.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/47486669001.pdfIn PDF document text
  • http://guanzhuli.com/userfiles/file/10766009427.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16126cab71711e---nedivak.pdfIn PDF document text
  • http://novichiha.ru/pic/file/jugiberavesadisawudali.pdfIn PDF document text
  • http://zpb-maciejewski.pl/upload/fck/file/pexugabilisiw.pdfIn PDF document text
  • http://ambartakip.net/belgeler/file/52132215335.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e56d0494f6---dajugagopodaviwifuv.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/cf2f04f81b0ebd320bc174ba204bf6f7/13283641839.pdfIn PDF document text
  • https://szaktel.hu/uploads/file/84706922602.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c955fdc6de2---lupakinofukof.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/b9bedbf1d4daa8a7d8de0e3e4ffaeb1e/62454487842.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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