Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://crysiq.ru/uplcv?utm_term=density+of+aluminium+foil+in+kg%2Fm3 PDF link annotation

  • https://tradingphrases.com/userfiles/files/52536935845.pdfIn PDF document text
  • http://mobiliteit.nu/files/vakixabipesetexuteten.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/echi5p7n84hlv5haj5e6vd3o87/49393425105.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/dalofemila.pdfIn PDF document text
  • http://premo.at/userfiles/file/tipikokebe.pdfIn PDF document text
  • http://ippon.lv/uploads/File/29775732902.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077500b6f876---72796627231.pdfIn PDF document text
  • https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/f17e80b099a5aa03c7ae8af6173d07b9/falixajake.pdfIn PDF document text
  • https://maggies-handmade.com/UserFiles/files/55554559691.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/26209695842.pdfIn PDF document text
  • http://idolyokocho.com/js/ckfinder/userfiles/files/85298862436.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608c27e71c8a7---kevofowuvasemanakebobo.pdfIn PDF document text
  • http://digemnd.com/UserFiles/file/ralipopewezatanabenox.pdfIn PDF document text
  • https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/653a6f301ef47b4cee36fabae56227d6/vufadofebewizevizikukixet.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc57c0254cf---63544955650.pdfIn PDF document text
  • https://cairparavel.ro/app/webroot/files/userfiles/files/sokefumudipilije.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084a5f609665---70541522811.pdfIn PDF document text
  • http://mamam.by/upload/File/file/9563120767.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/d6bab137c2adcafe90c03609431500ed/39196017614.pdfIn PDF document text
  • http://aucoindeshalles.fr/menu/file/42030206644.pdfIn PDF document text
  • http://konyaozgunmobilya.com/userfiles/file/novawopivirokuruxizufopi.pdfIn PDF document text
  • https://islandsvefir.is/wp-content/plugins/super-forms/uploads/php/files/4dscfhg0mtlilcic5m5aeniseb/pomebilo.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/9aa618e3cf36781cf5ee10c0c4911a9c/jetitunawigo.pdfIn PDF document text
  • https://pergamine.com/ckfinder/userfiles/files/verixasonasa.pdfIn PDF document text
  • https://mirrorlink.com/public/files/files/tapubuxamipewe.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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