Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://irlanc.ru/uplcv?utm_term=android+tv+rdp+client PDF link annotation

  • http://giayviettri.com/img-ftec/files/werodemakejivata.pdfIn PDF document text
  • https://spirit-legend-enterprises.com/webroot/editor-uploads/files/gubepap.pdfIn PDF document text
  • http://furnitura-syndicat.ru/ckeditor/ckfinder/core/connector/php/uploads/files/82577201112.pdfIn PDF document text
  • https://kozmetikadunakeszi.hu/userfiles/file/4131744743.pdfIn PDF document text
  • https://123natura.com/stockages/files/69346492424.pdfIn PDF document text
  • https://everestart.com/images/stories/file/7017119430.pdfIn PDF document text
  • http://edwardfmcgintypa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/3895643110.pdfIn PDF document text
  • https://ever.dacola.com/upload/files/71181881605.pdfIn PDF document text
  • http://lukinserv.hu/file/pobedoforogorubos.pdfIn PDF document text
  • http://pjzhengwang.com/upload/file/20210917_162030_116.pdfIn PDF document text
  • https://gilbertems.com/videos/file/12015327896.pdfIn PDF document text
  • http://methese.com/upload/files/21198519407.pdfIn PDF document text
  • http://marcobernini.it/userfiles/files/86260608612.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613da8049c1ca---11238203187.pdfIn PDF document text
  • http://9y.bfage.com/upload/files/20210920055237.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/tejg377dl4lijknekp58do1t6h/57809969302.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/7685535436.pdfIn PDF document text
  • http://ufnk.fr/app/webroot/files/file/35122274872.pdfIn PDF document text
  • http://baove24h.org/upload/files/31076861937.pdfIn PDF document text
  • http://www.multigacos.com/admin/uploaded/fck/file/36269657193.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/1f46d0e8007221ab4295d7ada192131f/75552593075.pdfIn PDF document text
  • http://alrabbanoilandgas.com/file/files/61707894069.pdfIn PDF document text
  • http://hicoweld.com/shop/fck_file/file/sokuralevuxigutoko.pdfIn PDF document text
  • http://personal.sut.ac.th/chantira/port/ckfinder/userfiles/files/reted.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb8aec44de---72334629536.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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