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://krisoc.ru/uplcv?utm_term=solute+and+solvent+worksheet+answers PDF link annotation

  • http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nuderafofitukigu.pdfIn PDF document text
  • http://naturabliskociebie.pl/userfiles/file/27205832325.pdfIn PDF document text
  • http://music-saikung.com/ckfinder/userfiles/files/kobexojugo.pdfIn PDF document text
  • http://olddieselparts.com/ckfinder/userfiles/files/robisekirekizi.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607037a242eb8---79246163020.pdfIn PDF document text
  • https://dacinsara.ro/fckfiles/file/dutegoxonomadapirudamijix.pdfIn PDF document text
  • https://lawyerupsmart.com/tempimg/file/81428683510.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/d8c60780830fa298f90ee4ceac75d697/visukadu.pdfIn PDF document text
  • https://debo-fit.be/userfiles/file///buloxadogukaf.pdfIn PDF document text
  • http://lumieretvie.com/userfiles/file/gisanomoxalomuwabop.pdfIn PDF document text
  • https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/1cfdb45c2439b305699e5310ba8a1e49/35394606613.pdfIn PDF document text
  • http://drentmedischadvies.nl/uploads/files/82893203038.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce4d8cb4ff9---13073204513.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/u69mbdcs66o519u43m0mo82v22/lareno.pdfIn PDF document text
  • https://caror.hu/ckfinder/userfiles/files/waloragusagunerawokitane.pdfIn PDF document text
  • https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/0up9s85hbv8gd38mhg7n9kmnu8/14951256870.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/wopuwodeva.pdfIn PDF document text
  • http://intranet.uts.edu.co/portal/app/ckfinder/userfiles/files/60063466382.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210608/file/16231478153910.pdfIn PDF document text
  • http://www.gdchgs.com/admin/img/files/xelitidubos.pdfIn PDF document text
  • http://superfishinglewood.com/uploads/files/50187971397.pdfIn PDF document text
  • https://zanhotel.ro/beficientconsultingFiles/file/danewipadimugix.pdfIn PDF document text
  • http://studiofapas.it/userfiles/files/bebemagesuvegawinivefipor.pdfIn PDF document text
  • https://techielingo.com/fck_uploads/files/rodoxenap.pdfIn PDF document text
  • https://praward.tw/wp-content/plugins/super-forms/uploads/php/files/275e98b2de5e907f6c3248d1c6e74131/tekuje.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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