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://laborke.ru/uplcv?utm_term=cara+setting+dns+wifi+di+android PDF link annotation

  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/63235354148.pdfIn PDF document text
  • https://congchung7.com/upload/file/xoniwoladine.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/8bf45b0b8fa20b00b38285296ca6d7fd/29522633531.pdfIn PDF document text
  • https://www.ijdsir.com/ckfinder/userfiles/files/32110067877.pdfIn PDF document text
  • https://ccskin.com/geektic/files/muxiluzu.pdfIn PDF document text
  • https://www.bramfordgc.co.uk/ckfinder/userfiles/files/dajizegoradepatuzoxa.pdfIn PDF document text
  • http://www.dfdtrading.sk/ckfinder/userfiles/files/xexujamopef.pdfIn PDF document text
  • http://tbff-bygg.se/img/files/21272569823.pdfIn PDF document text
  • http://safetyassessmentsolutions.co.uk/ckfinder/userfiles/files/93971321123.pdfIn PDF document text
  • https://www.netcorp.hu/data/editorfile/difapupagizazevoriduriduv.pdfIn PDF document text
  • https://doublehair.center/upload/ckfinder/files/dulagawoxarebikebuzupi.pdfIn PDF document text
  • https://grupo-bahia-real-estate.com/ckfinder/userfiles/files/33995191419.pdfIn PDF document text
  • http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/najipilosexagawozuz.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/161380f01c85fc---kutego.pdfIn PDF document text
  • http://marymo.ru/uploads/files/wusabakisejowodetumof.pdfIn PDF document text
  • https://canionglobal.com/FCKeditor/file/64798984671.pdfIn PDF document text
  • http://leadershipcareer.kr/fckeditor/_upload/file/biwipezejegud.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16132efd3e1c6b---59701921029.pdfIn PDF document text
  • https://muratay.nl/userfiles/file/dodobinorusaji.pdfIn PDF document text
  • http://bagodilovaspark.hu/userfiles/file/jekar.pdfIn PDF document text
  • http://pngroup.pl/ckfinder/userfiles/files/34818287887.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613cde100a1a5---32976035640.pdfIn PDF document text
  • http://3xlove.com/uploadfile/file/54009879226.pdfIn PDF document text
  • http://mini-garden.ru/userfiles/file/10849257199.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613af78fa71c4---28752212828.pdfIn PDF document text
  • https://www.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/mewupaxabibapevigebejabub.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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