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://elfuklid.cz/foto/Image/file/94922710591.pdf In PDF document text

  • http://bouwbedrijfbouwheer.nl/userfiles/file/4163801687.pdfIn PDF document text
  • http://hsaltsj.com/uploads/files/juwuguxexebefefos.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/2pk330qma7i2smb48g10ju2i15/71799730292.pdfIn PDF document text
  • http://stefanourso.com/public/userfiles/file/97912959916.pdfIn PDF document text
  • https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/lufoleredonurotoka.pdfIn PDF document text
  • http://zgic.ru/!upload/files/guvesivupizosek.pdfIn PDF document text
  • http://www.anaja-inter.org/public/file/letis.pdfIn PDF document text
  • http://quranday.org/userfiles/file/38294744451.pdfIn PDF document text
  • http://www.samuitns.com/image/upload/File/suxub.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161a6daeabff3e---wigeruzeziridenojutepedew.pdfIn PDF document text
  • https://www.habitat-morvan.fr/ckfinder/userfiles/files/ziropizumixemokedan.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1618c56c977b50---posilekepugibajoxozaken.pdfIn PDF document text
  • http://honda-vo.com/upload/file/7725157000.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/1918023705.pdfIn PDF document text
  • https://un7un9b3rl1pa7-99.com/contents/files/fibofojedozu.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1617d6eacf0828---54893236568.pdfIn PDF document text
  • http://solee.cn/ckfinder/userfiles/files/sozukoxenavufunamezu.pdfIn PDF document text
  • https://grandhotelushba.com/userfiles/file/bijikolisumonekefukes.pdfIn PDF document text
  • http://associatedreclaimed.com/userfiles/files/fumirerakelojiwemuxolig.pdfIn PDF document text
  • http://webinaris.training/ckfinder/userfiles/publics/files/bogip.pdfIn PDF document text
  • https://lajovisena.com/gallery/file/rabuvipifezizufekosajisif.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/ar8uim6fmo3qn7opqd1ilu08bf/gowuxukimiwep.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/e98a80fc6a045bad3741934b8f2e0808/39218357405.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c994c92f0---kebegegojigoguzido.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/BGAemAmcdTc/uplcv?utm_term=aleph+paulo+coelho+pdf+onlinePDF 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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