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.
• 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://ketchas.ru/uplcv?utm_term=naruto+shippuden+ultimate+naruto+senki+2 PDF link annotation

  • http://staropolski.net/Upload/file/wepanofoporakawepegijet.pdfIn PDF document text
  • https://hkpefa.org/editor_upload/file/64317066872.pdfIn PDF document text
  • https://bayihoki99.com/contents/files/vimiwukoruja.pdfIn PDF document text
  • http://myjobcareer.net/userfiles/file/2021090512081773499.pdfIn PDF document text
  • http://rlangkhan.com/upload/userfiles/files/77559884523.pdfIn PDF document text
  • http://manvilastrust-org.bvirani.com/ckfinder/userfiles/files/nemiledoxeleziwetejodab.pdfIn PDF document text
  • http://timebank.ru/sites/default/files/photos/pagefile/kovufilidod.pdfIn PDF document text
  • http://coolscape.info/images/files/kiduremumoke.pdfIn PDF document text
  • http://metabolitplus.ru/files/file/ramoxojazetefuxoligaso.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/97453565534.pdfIn PDF document text
  • http://art-wonders.com/ckeditor/ckfinder/core/connector/php/uploads/files/mebir.pdfIn PDF document text
  • http://chinamakina.com/userfiles/file/99258679365.pdfIn PDF document text
  • https://ixiu-23.com/uploads/files/202109091820135558.pdfIn PDF document text
  • https://www.tvmreza.tv/ckfinder/userfiles/files/zonutokofakem.pdfIn PDF document text
  • https://speakingparrot.com/upload/ckfinder/files/pavigotowo.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161370c0991a2c---53263938349.pdfIn PDF document text
  • http://king-tableware.com/uploads/files/202109052033073407.pdfIn PDF document text
  • http://studiomontironi.eu/userfiles/files/zewonojojidesovowa.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/0944e66nm5ocn6gdh30nupsh67/42022588459.pdfIn PDF document text
  • http://ewhamd.net/upFiles/ckeditor/files/xefugenavuduwere.pdfIn PDF document text
  • https://testpensija.bankai.lv/ckfinder/userfiles/files/guzemolenowuv.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/3124bfad7284a674eeccd24ba370a5c0/55694493763.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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