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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://cructi.ru/uplcv?utm_term=danger+dash+game+apk PDF link annotation

  • http://makassitools.com/userfiles/file///xufet.pdfIn PDF document text
  • https://kalashad.com/userfiles/file/23455327337.pdfIn PDF document text
  • http://www.forteks.com.br/admin/ckeditor/ckfinder/userfiles/Images/bubosulilamuzaxejafaru.pdfIn PDF document text
  • https://dadesigning.com/daduserfiles/files/dafenetulenisonis.pdfIn PDF document text
  • http://tucholainfo.pl/userfiles/file/porekikokovepo.pdfIn PDF document text
  • https://pernambucoimortal.com/imagens/files/34378687016.pdfIn PDF document text
  • http://jcon-aps.dk/userfiles/file/67343591012.pdfIn PDF document text
  • http://mdsalon.ru/img/lib/file/75573368665.pdfIn PDF document text
  • http://ephtour.com/FileData/ckfinder/files/20210913_6A34667A6BD4612F.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/4f57c6093f5c2bb32745a2a6460ddb2d/48025158168.pdfIn PDF document text
  • http://dinhviht.com/images/newtech/files/65961959929.pdfIn PDF document text
  • http://kavtas.com/images_upload/files/zuzawosepimafob.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613408de0053a---jomonenevasizegozutifade.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/f9faf727d79b6e263f803a89fb537b50/tevovi.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6d7e8e3cbb4f3314b24d0e2410aab280/64506877224.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/zemejoro.pdfIn PDF document text
  • http://etkindenetim.com/resimler/files/moxebavena.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/ac1c0d9d123387ce851b33cfdfc395ca/32973131740.pdfIn PDF document text
  • https://satbietthu.com/luutru/files/28148759514.pdfIn PDF document text
  • http://ljjxmining.com/uploadfile/file///2021090323064750.pdfIn PDF document text
  • http://alliance-ic.ru/uploads/file/91204270351.pdfIn PDF document text
  • http://reckdance.pl/userfiles/file/misogidapegaxulofobetib.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/72326406011.pdfIn PDF document text
  • http://divyabodhanam.org/userfiles/file/waxuxukekepazadu.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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