Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://synerhu.ru/uplcv?utm_term=microsoft+outlook+web+app+login+page PDF link annotation

  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/6i8l0m0bq8rjkqj4cq0cmqksa5/41515520268.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/94cc7e14aa85ba7c47df6548af40d5b8/wefugugozolap.pdfIn PDF document text
  • https://sporyolu.com/resimler/files/91846684612.pdfIn PDF document text
  • http://toddfamilyreunion.com/clients/4/48/482e924d5a052aa4a0c13eb8a30e0bc8/File/14145873228.pdfIn PDF document text
  • http://cpsguffanti.it/uploads/file/vezojezigegirebeguweza.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9991ba76c---98419958954.pdfIn PDF document text
  • https://agroadvanced.com/app/webroot/newsletters/editor/files/xupitavutoxise.pdfIn PDF document text
  • http://heureka-cz.eu/files/40915941060.pdfIn PDF document text
  • https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/d8fbf01f026b4104af4685b38fcfb269/visuripij.pdfIn PDF document text
  • http://vincentpopetutoring.com/clients/d/dd/dd6b7bcf94cac99d3bed97cf8166637b/File/49464931294.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/3ufq7r69eqmnka06ij2javpg28/xomugivorasajisufiliko.pdfIn PDF document text
  • http://grimastone.ru/files/24691395554.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/te9gemp3lh1eg3cu7muf29qtj3/13468438184.pdfIn PDF document text
  • https://taechoclub.com/FileData/ckfinder/files/20210722_89FFEBBEA312116A.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609740324e3f5---jesixozisonalusozuzotofos.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/nejue78ke8fslsmqso0elmlbrv/74935352029.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/rijipugiweb.pdfIn PDF document text
  • http://dharmapremipariwar.org/userfiles/file/50387367325.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/837b7e4e30894776bc3350637c31b7eb/dumiwen.pdfIn PDF document text
  • http://evohome.pl/userfiles/file/samozezenagejoxivuxifar.pdfIn PDF document text
  • http://pneusmarene.it/images/file/mimevusudiboxikajugozepob.pdfIn PDF document text
  • http://techsystem.gr/data/uploads/ckeditor/files/74694481000.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/42911feaac09ae853f6a1091ece8eab6/nitususejebusozujevo.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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