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://laborke.ru/uplcv?utm_term=apostle+paul+bible+study+pdf PDF link annotation

  • http://dekogard.net/deko/veri/_files/23538984312.pdfIn PDF document text
  • https://dehayemek.net/upload/ckfinder/files/78807066017.pdfIn PDF document text
  • http://ammk.sk/userfiles/file/dekumimukiku.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/cddd7f7ed50a63c37c40ad11e41e7208/50141947098.pdfIn PDF document text
  • https://mallarpurnaisuva.org/go/file/54434694359.pdfIn PDF document text
  • https://contemporaryteas.in/admin/uploads/file/26248959085.pdfIn PDF document text
  • http://100gastro.cz/soubory/files/buxemunujodafexofiwedase.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/zedevonemi.pdfIn PDF document text
  • https://ruxthai-guesthouse-chiangmai.com/ckfinder/userfiles/files/jefagubafatekugujidoz.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/16132b6066fe47---62211531498.pdfIn PDF document text
  • http://www.sas.edu.mn/ckfinder/userfiles/files/9527927447.pdfIn PDF document text
  • http://constantcontinuity.com/membership/data/files/21588698763.pdfIn PDF document text
  • https://fontaine-eva.fr/userfiles/files/xavopirewepelesiz.pdfIn PDF document text
  • http://hmconcretemixingplant.ru/d/files/migusujakox.pdfIn PDF document text
  • https://energiadirect.pl/application/resources/ckfinder/userfiles/files/jipaxu.pdfIn PDF document text
  • http://www.logomarcanet.com/userfiles/file/wupiseranosimobirikasut.pdfIn PDF document text
  • https://ofcourselc.com/admin/uploadsfile/10821298423.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/pqul64roreamb73kpso5k3fi0f/kujakesufivegepusizur.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e63eb69be---novatixirajovesipidefem.pdfIn PDF document text
  • http://aitrans.cn/UploadFile/file/F1202109041226127899.pdfIn PDF document text
  • http://mexxeopaint.com/upload/files/15139873435.pdfIn PDF document text
  • https://gulamanis.com/contents/files/46206605591.pdfIn PDF document text
  • http://longruiglass.com/ckfinder/userfiles/files/20210901_111748.pdfIn PDF document text
  • http://dreamwith.gni.kr/ckupload/files/81881589170.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/39980465094.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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