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.
• 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.
• 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://nomylo.ru/uplcv?utm_term=who+does+lorelai+end+up+with PDF link annotation

  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608651cb03b99---lojorulosetujegupatizoj.pdfIn PDF document text
  • http://chiaranannini.com/userfiles/files/dojaviguniwumewuduxe.pdfIn PDF document text
  • http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb815c90b8---79142513975.pdfIn PDF document text
  • https://kumsalgame.com/calisma2/files/uploads/refomelasemamoxer.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a0f44880ee---63927863192.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b72c5457033---84276883929.pdfIn PDF document text
  • http://skybuildinfraprojects.com/uploads/parujijuxipita.pdfIn PDF document text
  • http://cz-synergy.cz/data/file/5298597762.pdfIn PDF document text
  • http://sushistoryus.com/uploads/files/9513447901.pdfIn PDF document text
  • http://savemaxint.com/files/file/61803659747.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160afd3291a58b---2711331509.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/84696418171.pdfIn PDF document text
  • https://tabularasa.lv/sites/tabularasa/uploads/documents/files/redusegud.pdfIn PDF document text
  • http://raczcsalad.hu/files/14749148231.pdfIn PDF document text
  • https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/d0d45108d633deb7eee4e392faec9539/bikamuririla.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160734e98197e1---4404181698.pdfIn PDF document text
  • http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/88341811694.pdfIn PDF document text
  • https://dacola.com/upload/files/dovenalajabegufalo.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607a574152cbc---sokuwigebezuvoremi.pdfIn PDF document text
  • https://nodka.eu/ckeditor/ckfinder/userfiles/files/50982147360.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5ecc34b296---40301070070.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607650bbc16c2---2582950416.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/0ea02cee1d09204078c3702e2076b56d/togifolavul.pdfIn PDF document text
  • https://nhahangbienhaitien.com/uploads/files/gepegogix.pdfIn PDF document text
  • http://leoclubmarsala.it/userfiles/files/76156139085.pdfIn PDF document text
  • http://studioriggio.it/userfiles/files/xogarekomogov.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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