Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://archism.ru/uplcv?utm_term=es+file+apk+mod PDF link annotation

  • http://janjoling.com/public/ckfinder/userfiles/files/vawidamojiserugezokopibo.pdfIn PDF document text
  • http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/78569111913.pdfIn PDF document text
  • http://namngonviet.vn/user-/files/lurosunizozezi.pdfIn PDF document text
  • http://tjjjsh.com/uploads/files/fulep.pdfIn PDF document text
  • http://felixefontesadvogados.com.br/ckfinder/userfiles/files/neretikobazogugowat.pdfIn PDF document text
  • https://coopinproject.eu/ckfinder/userfiles/files/muvimagupuno.pdfIn PDF document text
  • https://delcinfo.ru/img/files/files/bebamabejelawuwawi.pdfIn PDF document text
  • http://vigen12.com/userfiles/file/11319314895.pdfIn PDF document text
  • https://cyklo-wellness-penzion-palice.cz/content/98383300517.pdfIn PDF document text
  • http://coumert.com/images/file/30867458047.pdfIn PDF document text
  • http://busankid.com/webfiles/board/file///72882330329.pdfIn PDF document text
  • https://durgabas.coop.np/ckfinder/userfiles/files/43540163746.pdfIn PDF document text
  • https://sreekanakananda.com/ckfinder/userfiles/files/nazapokivu.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff0b2f39d9---lelemo.pdfIn PDF document text
  • http://haustechnik-hagenauer.at/jetegugugevulidolugu.pdfIn PDF document text
  • https://tuoitre.bacgiang.gov.vn/lib/ckfinder/files/renulawepepisot.pdfIn PDF document text
  • http://svadbavmoskve.com/content/xuploadimages/file/67048017773.pdfIn PDF document text
  • http://mawratanews.com/armedia/uploads/files/65419676336.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16134f7b8ca291---zafeti.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/858ae279418c8326263011e39ff88a9b/50078176787.pdfIn PDF document text
  • https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/wunabagekabebebegidopapo.pdfIn PDF document text
  • http://emanuelarombiarchitetto.eu/userfiles/files/47979840557.pdfIn PDF document text
  • http://fatename.com/uploads/files/202109081511389065.pdfIn PDF document text
  • http://zespolbahamas.pl/zdjecia/file/92504764544.pdfIn PDF document text
  • http://cathugo-catamarans.de/res/wysiwyg/file/lanibelu.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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