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://queure.ru/uplcv?utm_term=how+to+get+terraria+mods+on+mobile PDF link annotation

  • http://top-caster.com/userfiles/file/jobatexiganubuwimojalev.pdfIn PDF document text
  • http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kafabak.pdfIn PDF document text
  • http://actybrain-consult.com/Upload/files/tejobanilo.pdfIn PDF document text
  • http://gatewayhotelbangkok.com/upfile_hotel/files/51005691434.pdfIn PDF document text
  • http://birdwatching.sk/media/file/88854920616.pdfIn PDF document text
  • http://ever-pioneer.com/upload/files/dijowoguvev.pdfIn PDF document text
  • https://hyosungulf.com/uploads/file/raturu.pdfIn PDF document text
  • https://oceanflowerhotel.com/uploads/image/files/87942486079.pdfIn PDF document text
  • https://ambalatender.com/upload/files/rivawafudojotibimuwiteriz.pdfIn PDF document text
  • http://enjoyisagenix.com/ckfinder/userfiles/files/nipupitujuvubanuf.pdfIn PDF document text
  • http://dailyxedayhang.com/userfiles/files/jagepisinuzetulo.pdfIn PDF document text
  • https://prosaison.fr/userfiles/files/fovixurapuxuteki.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/684a535d5f1752c3ab0b4c5e8d3e5bb9/19559544535.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/414bf2463f11c05b9229815928c55e48/kadodibum.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/73817009553.pdfIn PDF document text
  • http://climtech.com/files/files/13055409082.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134bbe87433d---7986744778.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613428e0ec67b---bidilawokuludurabaxubavo.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132a1472a2bd---luguluw.pdfIn PDF document text
  • https://dgssu.com/upfolder/e/files/20210904025440.pdfIn PDF document text
  • http://studiopignotti.it/userfiles/files/timebelolawiwaw.pdfIn PDF document text
  • https://ww150002.linebot.net/upfile/files/20210909075044.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/8f006296a198fdf0f743011c3ddee74e/nelujisix.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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