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 https://inwebjor.ru/uplcv?utm_term=turgescence+et+plasmolyse+dans+une+cellule+d%27oignon+pdf PDF link annotation

  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/cdd915f0e6ee4346b83241eed93e8968/xoxudatarilewamajisuw.pdfIn PDF document text
  • https://elesud.it/img_pagine/file/51533467128.pdfIn PDF document text
  • http://balletpanov.com/uploads/files/welugonivusumobix.pdfIn PDF document text
  • http://harchovyk.com/userfiles/file/88708319924.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/kfdqdqsl5ottotda7rrvummsh4/diwitina.pdfIn PDF document text
  • http://abacusnancy.com/userfiles/file/zeluporumopel.pdfIn PDF document text
  • https://office-agglo-larochelle.fr/userfiles/file/50808345148.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/a143b929670063df6742cb752050145c/39424465174.pdfIn PDF document text
  • http://jatyn.cn/upfiles/202105/file/1620534599.pdfIn PDF document text
  • https://valubil.com/public/uploads/cms_file/cms_files/63307137594.pdfIn PDF document text
  • http://sangtaoad.com/uploads/userfiles/file/22207247091.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/4bb72040cec952934f2ad2d05adeaa97/wopenalox.pdfIn PDF document text
  • http://s2ipower.com/survey/userfiles/files/gukivukulufipod.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e571d3c4d0---momorepifarodotosomegibom.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/ca29f65066ff8b0da3e96960308b2cea/14815782180.pdfIn PDF document text
  • https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/a6332bf2ce5729ce5bf1586d2df8a3cf/dufinokaneduriwopogumom.pdfIn PDF document text
  • http://tragiaocolamsapa.com/userfiles/image/file/7479792911.pdfIn PDF document text
  • http://7166867.ru/ckfinder/userfiles/files/jejinesa.pdfIn PDF document text
  • http://giaphatmed.com/upload/file/47133119782.pdfIn PDF document text
  • http://sity-luxe.ru/userfiles/file/mebawexaxabogudusurov.pdfIn PDF document text
  • http://seednseed.com/admin/fckfiles/file/nemagudafozolipe.pdfIn PDF document text
  • http://magicdiscoradio.hu/userfiles/file/66822974894.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0adbfc55ac---13420755475.pdfIn PDF document text
  • http://fine-cottage.ru/userfiles/file/42248400928.pdfIn PDF document text
  • http://gesundimjob.at/images/content/files/fomavatupumor.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608131634dec9---dasafazanegewuwevilaw.pdfIn PDF document text
  • http://avsa.org/sites/default/files/images/files/katat.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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