Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://medvor.ru/uplcv?utm_term=attempt+meaning+in+marathi PDF link annotation

  • http://halongbaycruises.org/upload/files/subinekokuvifumadumogib.pdfIn PDF document text
  • https://marljivo.hr/userfiles/file/loretidagi.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/161364e8eb88ed---jumitigo.pdfIn PDF document text
  • http://hnfhdc.com/UpLoadFile/2021092901564396158.pdfIn PDF document text
  • http://marcth.pl/media/fck/file/1185016537.pdfIn PDF document text
  • http://www.fred-robin.com/ckfinder/userfiles/files/17913976846.pdfIn PDF document text
  • https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/b1e7sep68k3ehv9a2j3g4cdsmf/gakewod.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/fodemup.pdfIn PDF document text
  • http://wu-pao.com/upfiles/editor/files/getugelonupux.pdfIn PDF document text
  • https://bisnismedsos.com/userfiles/file/suwifumogupewubekopig.pdfIn PDF document text
  • http://www.agot.pl/upload/file/tijezesonaka.pdfIn PDF document text
  • https://3rproject.eu/ckfinder/userfiles/files/48149932629.pdfIn PDF document text
  • http://lisaarkinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/ralasukadupizeze.pdfIn PDF document text
  • http://lev-steklo.ru/userfiles/file/kerimukejirixade.pdfIn PDF document text
  • https://nazragame.com/calisma2/files/uploads/jinupenixevopiga.pdfIn PDF document text
  • http://bbfederico2.net/userfiles/file/94708951646.pdfIn PDF document text
  • http://standardamulet.com/files/files/78570000750.pdfIn PDF document text
  • http://ekhoron21.mn/uploads/files/10304099632.pdfIn PDF document text
  • http://elma-itc.ru/!upload/files/tijavokusorejukutow.pdfIn PDF document text
  • https://minjar.mebel18.com/uploads/files/8229735311.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/161434f6282cfb---18533353028.pdfIn PDF document text
  • http://gelinyuanyi.com/upload_fck/file/2021-9-3/20210903193012573142.pdfIn PDF document text
  • https://kovrdom.ru/sites/all/sites/default/files/file/7103002607.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/4c8939910f8cef61bfe2d584c9c18ff0/kodokafakosafaterag.pdfIn PDF document text
  • https://e-midas.ro/files/file/91428648268.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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