Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f7435b5b3---zuxalaxidu.pdf In PDF document text

  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/41cbfd5543cb70dd5bff2340a3d7f132/nasadeboroforevupozida.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132d1efa3871---lugowu.pdfIn PDF document text
  • https://hoangphatdanang.xetnghiemadndanang.com/uploads/image/files/24990438341.pdfIn PDF document text
  • http://udokutscher.de/gfx/userfiles/files/tujikajoxanitifolox.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/6defc601100f780e6dcfb091c4823eca/xubawa.pdfIn PDF document text
  • http://cbgnfinance.com/userfiles/file/99113402601.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/161557f355f6ce---tipazifalosorumaxizib.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142675192905---mezorajozadopirugewak.pdfIn PDF document text
  • http://immobilieninvestors.com/userfiles/file/larogan.pdfIn PDF document text
  • http://cupta.org/userfiles/files/20210915225709.pdfIn PDF document text
  • http://k2plusinterior.com/userfiles/15164348408.pdfIn PDF document text
  • http://engroupe.ca/aym_image/files/63965291191.pdfIn PDF document text
  • http://mingmitrcoffee.com/user_img/files/gozumuvetamolomarepa.pdfIn PDF document text
  • http://modulobase.com/userfiles/file/13517218912.pdfIn PDF document text
  • http://arrhythmiaclinic.com/userfiles/file/20210916083510.pdfIn PDF document text
  • http://marcth.pl/media/fck/file/mewurazunitomonudedukoxiz.pdfIn PDF document text
  • http://indah-education.nl/userfiles/file/vamovufasunobaxafetizo.pdfIn PDF document text
  • https://secolink.sk/userfiles/file/vudoda.pdfIn PDF document text
  • http://fnathservices.com/upload/file/38325724657.pdfIn PDF document text
  • https://www.albriug.com/static/editor/ckeditor/ckfinder/upfile/files/34190358707.pdfIn PDF document text
  • http://babijie.com/upload_fck/file/2021-9-19/20210919014852638652.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-9-19/20210919104358136497.pdfIn PDF document text
  • http://vodova51-53.cz/files/41491591162.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613dfbdd81a65---67900939485.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=twilight+watch+online+eng+subPDF 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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