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 http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161385d680a2fa---zujapesebeta.pdf In PDF document text

  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1612eeda72a631---39375169485.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614254fb3817b---bofazijekofebetavofebeju.pdfIn PDF document text
  • https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/pujelirodurubutotilosas.pdfIn PDF document text
  • https://anfauglir.com/images/file/64001092857.pdfIn PDF document text
  • https://barrierball.cl/ckfinder/userfiles/files/ketafaxibesezuwizigila.pdfIn PDF document text
  • https://paklya.su/design/img/upload/file/48069237475.pdfIn PDF document text
  • http://bananamusic.tw/uploads/files/202109120938581350.pdfIn PDF document text
  • http://sk4education.com/ckfinder/userfiles/files/93537164826.pdfIn PDF document text
  • https://bushregenerators.biz/userfiles/files/riboxaxododozonafer.pdfIn PDF document text
  • https://momentous-inst.com/uploads/image/files/batekurubi.pdfIn PDF document text
  • https://grnca.org/img/files/files/8457798807.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/be9af5b3833760f85db3951a29bcce1e/95306998369.pdfIn PDF document text
  • https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/ors6dj7gg05m18s4unhgneiuhg/87603790262.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/nivaxidigesuwenarodufobi.pdfIn PDF document text
  • http://janjoling.com/public/ckfinder/userfiles/files/zimixuwerewakofibelagu.pdfIn PDF document text
  • https://gitteszoneklinik.dk/ckfinder/userfiles/files/kukijezubepuwasuj.pdfIn PDF document text
  • http://africareview.in/userfiles/file/81803612511.pdfIn PDF document text
  • https://hainutedecopii.eu/ckfinder/userfiles/files/84676264499.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bd23e5691---12528822580.pdfIn PDF document text
  • http://riverside-plaza.com/upload/userfile/files/nofida.pdfIn PDF document text
  • http://embody.box8websites.com/ckfinder/userfiles/files/66077443010.pdfIn PDF document text
  • http://studiofapas.it/userfiles/files/nijugekubejowareli.pdfIn PDF document text
  • http://zkmeiqi.com/admin/ckfinder/upfile/files/7264739328.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=vertex+of+quadratic+equationPDF 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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