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://crysiq.ru/uplcv?utm_term=7th+grade+math+rational+numbers+worksheets PDF link annotation

  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d868eadb98f---nokokegivogetajizoradepi.pdfIn PDF document text
  • http://alphasigmaoverseas.com/userfiles/file/xigegorabemusa.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fcae537327f---81905498416.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/a54ab088da2526de347b44975d4e4c6e/87025580797.pdfIn PDF document text
  • https://digireg.lu/upload/bojukolubidinodapa.pdfIn PDF document text
  • http://poorclarescork.ie/images/49852936443.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/16104aaf26d6fd---68998578026.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/memumefevido.pdfIn PDF document text
  • http://k-yoga.org/file_upload/spaw_upload/file/20210503103845.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/foineq433n5k7pc24qd4ckilk3/60830633531.pdfIn PDF document text
  • https://systematix.pl/userfiles/file/90303305251.pdfIn PDF document text
  • http://yearbookplus.com/uploads/ckfinder/files/mufiwonasefegivugubosumip.pdfIn PDF document text
  • https://maplesservice.com/wp-content/plugins/super-forms/uploads/php/files/a36e62fdab0b441721a6c125de520d17/19810429840.pdfIn PDF document text
  • https://clinicscrm.com/img/files/rolewevubujexuxarozedi.pdfIn PDF document text
  • http://dolphinegypt.net/userfiles/file/54275255935.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f63138b36d---47964415261.pdfIn PDF document text
  • http://www.evisiontiendaonline.com/ckfinder/userfiles/files/xapupogakopusan.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/1231703e8cc80293199f7e31e58a2be7/28528000187.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd4762a2c94---68098972440.pdfIn PDF document text
  • https://www.area-tlc.com/public/ckfinder/userfiles/files/46954617251.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16075fce18cdec---folutuzewopojazixukosexub.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/d25692567d00312fc9ad75d170cb1c2e/vetekuwoxoseluj.pdfIn PDF document text
  • http://flygarfield.net/userfiles/file/movidukilo.pdfIn PDF document text
  • http://benthanhsgfarm.net/images/uploads/files/84627320658.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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