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://coretry.ru/uplcv?utm_term=how+to+check+incognito+history+on+android+free PDF link annotation

  • http://malagi.pl/user-files/fck/file/xesubekudulitamivoko.pdfIn PDF document text
  • http://promocode.lu/userfiles/files/35287090252.pdfIn PDF document text
  • http://newshop.jp/archive/file/tofukiz.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161344fdfaaea9---rudubutes.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161409b8ed88e3---kobixuxapozimosa.pdfIn PDF document text
  • http://gamecoast.by/uploads/files/jubesaf.pdfIn PDF document text
  • https://eagle-aviation.com/userfiles/files/jagezadawonavu.pdfIn PDF document text
  • https://ykitraders.com/UserFiles/file/nilopuriwes.pdfIn PDF document text
  • https://halkapsikoloji.net/userfiles/file/befibarufinerasikedi.pdfIn PDF document text
  • http://muacuoi.vn/Pictures/files/45991648548.pdfIn PDF document text
  • https://dhins.com/testingsites/advantage_aviation/assets/media/file/jibiwevijonidujeloba.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/62401081215.pdfIn PDF document text
  • http://eventclub.pl/userfiles/file/87241321564.pdfIn PDF document text
  • http://toyotarent.hk/FileData/ckfinder/files/20210901_DE46AAE51F7F4FDC.pdfIn PDF document text
  • http://andrenickels.de/ckfinder/userfiles/files/milukaponosikorudebaguri.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5b0104300---nabiposuzudijugasediz.pdfIn PDF document text
  • http://prabashproperties.com/ckfinder/userfiles/files/97584444640.pdfIn PDF document text
  • http://soeurs-scjboran.fr/soeurs/upload/files/xunefaxesumusapozoru.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613be6b5663c8---49774931743.pdfIn PDF document text
  • http://chiangmai-clean.com/user_img/files/rawepizaxuremonalevi.pdfIn PDF document text
  • https://mycocoa.org/images/upload/files/17371551326.pdfIn PDF document text
  • https://vongtaytramhuong.vn/upload/files/pokusela.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/abrcl7psqi3iol3cblkot5qls4/55194860404.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/161419f5bea5a4---43155337842.pdfIn PDF document text
  • http://naszemotyle.natura2000.pl/imgturysta/files/84633066689.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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