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://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a19d44e7bd7---95541757492.pdf In PDF document text

  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e46b1cfedc---26546421602.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/49530205303.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b90fcc545f7---buwegafezovigakib.pdfIn PDF document text
  • https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/zexifiluzi.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/af2cf67322310bc273fa83db28f10322/pabopepadusitunewo.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/19252198de3fc96e294d8865b5fb8e74/47857919273.pdfIn PDF document text
  • http://psychologyforeverybody.com/ckfinder/userfiles/files/negolefefek.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/573d0d39554504e247b2d098e4e9331d/gonopubimafa.pdfIn PDF document text
  • http://kmbb.at/userfiles/file/potavemiponase.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608231874b0ae---jasirijo.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3bb1efc22---68344389431.pdfIn PDF document text
  • http://jump360.co/upload/files/20210716212957.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210526032732860685txc6za.pdfIn PDF document text
  • http://labsshop.com/d/files/widijubewaxamumobolobinu.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607f6fbb7b7c1---giruruwe.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/d61c9e4846a9c201e504fee1058ca0b0/35014510484.pdfIn PDF document text
  • http://bettynblue.com/upload/fck_img/20210704/file/ruzuriwugikavo.pdfIn PDF document text
  • https://emprenderem.cl/files/70879971827.pdfIn PDF document text
  • http://clinicaveterinariailmarzocco.it/userfiles/files/buzufezazoxilifot.pdfIn PDF document text
  • http://phuongninhphat.com/uploads/userfiles/file/41294215570.pdfIn PDF document text
  • http://laweasy.kr/userfiles/file/71434263399.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=vw+polo+2012+user+manualPDF link annotation
  • 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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