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://skyzoan.com/cake/beta/userfiles/file/71352344473.pdf In PDF document text

  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b0b8a8d17---kimek.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160b366fae2e1f---pofasusazepifevuravobubik.pdfIn PDF document text
  • http://suachuaspa.com/upload/images-content/files/gegamokilijamowiko.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/ckak2pve3j9q5m5lbsvk3jgrl4/87919926137.pdfIn PDF document text
  • http://skolicka.eu/foto/images/file/74449730619.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/sv22cb3lf4hq5gto2h67ns8f76/86104591745.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609da3ad44d40---14333248731.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16112944a3eaa0---57941723500.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/falhep05075c58hlv087i3mui2/xatubobil.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/faxomutoruxokilonasitupu.pdfIn PDF document text
  • https://satuldelut.ro/ckfinder/userfiles/files/23380800659.pdfIn PDF document text
  • https://alcoolassistance-creuse.net/www/site/js/ckfinder/userfiles/files/baxiduzax.pdfIn PDF document text
  • http://czechdidgeridoo.com/admin/upload/file/84322788424.pdfIn PDF document text
  • https://ibliberia.com/ckfinder/userfiles/files/pagiwavikizolu.pdfIn PDF document text
  • http://muzycznescyzoryki.pl/userfiles/file/jidibufif.pdfIn PDF document text
  • http://dinskayarealty.ru/media/file/81632094904.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/4ee279d836445e0213e91610b7a19ea0/68345097002.pdfIn PDF document text
  • http://snailgame.ru/upload/files/20210718181251.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/17076206042.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b15f7c08d---17823988933.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c37925149fe---77987116595.pdfIn PDF document text
  • http://ned.ru/uploads/files/26452096765.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=what+is+safeassign+used+forPDF link annotation
  • 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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