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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://ketchas.ru/uplcv?utm_term=text+messages+from+android+to+pc PDF link annotation

  • https://ibericadearmerias.com/file/57387605828.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/remelometogututibujij.pdfIn PDF document text
  • http://amunt.madteam.net/ckfinder/userfiles/files/76365175658.pdfIn PDF document text
  • http://scouttautomotive.com/editor_uploads/system/files/wojumobeku.pdfIn PDF document text
  • http://knx-shop.ru/admin/ckfinder/userfiles/files/84973904603.pdfIn PDF document text
  • http://szamosiszerviz.hu/feltoltott/files/23142962950.pdfIn PDF document text
  • https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/lurizitojeriwibibopabatan.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/fug6r2b6ibseblu19dsalenjn3/susododase.pdfIn PDF document text
  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ff612335d---30299868414.pdfIn PDF document text
  • http://jszl-rolls.com/filespath/files/20210906175247.pdfIn PDF document text
  • http://yule-sign.com/upload/editor/file/20210908195336.pdfIn PDF document text
  • http://vntattoosupply.net/uploads/image/files/nirutuxazogutafukora.pdfIn PDF document text
  • http://zeminyerkaplama.com/upload/ckfinder/files/mibowaxubonaleraz.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/93403760449.pdfIn PDF document text
  • http://honderhotel.com/UploadFiles/FCKeditor/20210912145219.pdfIn PDF document text
  • http://asvpp.fr/pdf/9065313510.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e79648af9---64440493331.pdfIn PDF document text
  • https://hgqq.hk/tony/churchofgod/ckfinder/userfiles/files/84616277296.pdfIn PDF document text
  • http://rayanchem.com/d/files/67824346048.pdfIn PDF document text
  • http://cx-gl.hu/images/files/39971883105.pdfIn PDF document text
  • http://stmarysharipad.com/userfiles/file/nemupozetadituzeditev.pdfIn PDF document text
  • http://dansungsala.com/uploads/files/35357371540.pdfIn PDF document text
  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613c999fc8c70---pegobufagunabajodetaleraz.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132369a6e8fb---nefabutonoxifemezafa.pdfIn PDF document text
  • https://renesens21.com/ressources/upload/files/muwulunupexamakozopofu.pdfIn PDF document text
  • http://wu-pao.com/upfiles/editor/files/supeleriwilo.pdfIn PDF document text
  • http://ever0036.com/assets/uploads/ckedit/files/20210908164843.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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