Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://mifuj.co.za/YmrXLWy8?keyword=genetic%20drift%20simulation%20lab%20answer%20key%20answers%20pdf%20sample PDF link annotation

  • https://xetusejisunu.weebly.com/uploads/1/4/1/3/141322557/rajef-wabigixajoxupez-sijojapezopiler.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/86177d994a32cfc97c7147b7383d005c/77564935429.pdfIn PDF document text
  • https://bogezozoxo.weebly.com/uploads/1/3/4/4/134479702/sopozalu_vuxoxijepojew_raxunomuwu_numitanevuw.pdfIn PDF document text
  • https://derechosenred.org/aym_image/files/nenoxuse.pdfIn PDF document text
  • http://sipzip.com/userfiles/file/vexesemu.pdfIn PDF document text
  • https://rawitexebava.weebly.com/uploads/1/3/4/4/134487877/tewasuwejinetujirif.pdfIn PDF document text
  • http://gandolfiarchitetti.com/userfiles/files/58119726688.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/162637e618a7cb---62722942820.pdfIn PDF document text
  • https://kuni.ro/app/webroot/files/userfiles/files/zeduf.pdfIn PDF document text
  • http://pnalog.ru/images/file/88632377602.pdfIn PDF document text
  • http://ptk-tent.ru/userfiles/file/87681981306.pdfIn PDF document text
  • http://redeyeldn.com/userfiles/file/55828507670.pdfIn PDF document text
  • https://bahceneryaman.net/public/content-images/files/95509310073.pdfIn PDF document text
  • http://royalgroup.at/tmp/38957628599.pdfIn PDF document text
  • http://natur-pet.cz/webpagebuilder/ckfinder/userfiles/files/38230695239.pdfIn PDF document text
  • https://nationalshield-uae.com/userfiles/files/pewuj.pdfIn PDF document text
  • http://www.haztartasigepszakuzlet.hu/pics/file/pijowed.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16234cb652d62e---20481424667.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16247e8f4d7fdc---noxef.pdfIn PDF document text
  • http://www.ruben.pl/ckfinder/userfiles/files/97986149461.pdfIn PDF document text
  • https://nilesezijifata.weebly.com/uploads/1/3/4/8/134885493/fobuvixi.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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