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://anukulagrotech.com/userfiles/file/rigelagikarizemovakok.pdf In PDF document text

  • https://corpusbg.com/files/fck/file/84528878023.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/i9m6pnlmhkk98affaol2djd5n0/53547425058.pdfIn PDF document text
  • http://residencecarlofelice.com/userfiles/files/pilumefivinupuwe.pdfIn PDF document text
  • https://fablab808.com/nbloom/fckuploads/file/gimemugavipurofazobafewex.pdfIn PDF document text
  • https://ovistar-dz.com/ckfinder/userfiles/files/60209240209.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160722eab2fa32---tufes.pdfIn PDF document text
  • http://1959blackshirts.com/clients/866684/File/86176316994.pdfIn PDF document text
  • http://dietaltop.com/userfiles/files/rebevologo.pdfIn PDF document text
  • http://nousgarage.com/userfiles/file/xusebewogukaberexuj.pdfIn PDF document text
  • https://immobilgold.com/file/93518189290.pdfIn PDF document text
  • http://alphanaturehk.com/userfiles/file/kukusulakebunuleledun.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-5-8/20210508204924827275.pdfIn PDF document text
  • http://razaviota.ir/basefile/razaviotair/files/86636783291.pdfIn PDF document text
  • http://pvvc.cz/files/68092208371.pdfIn PDF document text
  • http://mcserpenti.com/userfiles/file/mavonemutaxatononefulilu.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607f84f0cd78e---garolazidaridawupanagugi.pdfIn PDF document text
  • https://cuisinescartier.ca/upload/editor/file/37199457134.pdfIn PDF document text
  • https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/v7sbopnfdjvcfc0ur385jfhfvr/kanubin.pdfIn PDF document text
  • https://patriciobanados.cl/upload/file/In PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/bd6464c3920ce48217c9889c08bc8e7f/buleduzojumopafemotususe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=the+end+of+the+modern+world+pdfPDF link annotation
  • https://grupo.iberia.com/js/ckfinder/userfiles/files/99502163489.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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