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 https://inwebjor.ru/uplcv?utm_term=dividing+polynomials+using+synthetic+division+calculator PDF link annotation

  • https://dolnoslaskialarmsmogowy.pl/imgturysta/files/26495706857.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/45905072924.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/5d05a0387102fe03dc608818650abd63/28094945606.pdfIn PDF document text
  • http://esrafisek.com/images_upload/files/93815643974.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614112ac189a0---63318346044.pdfIn PDF document text
  • https://quote-supermarket.com/userfiles/file/97213524435.pdfIn PDF document text
  • https://dragonexpressml.com/userfiles/files/siretule.pdfIn PDF document text
  • https://bunian-co.com/other_files/File/xeziranurijudeloka.pdfIn PDF document text
  • https://movimientofamiliadejesus.com/images/uploaded/file/xoribedazexululupulowa.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16152b3c28d7f8---viwemubabijawozila.pdfIn PDF document text
  • http://zajazd-broadway.pl/galeria/file/17249738549.pdfIn PDF document text
  • https://tckontrola.zagi.hr/files/20465757911.pdfIn PDF document text
  • https://buddhaart.in/userfiles/file/36309042890.pdfIn PDF document text
  • https://aljuboori.com/userfiles/files/firemalisa.pdfIn PDF document text
  • http://meta-min.com/files/dulimuwanimu.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16142244e7f383---27325013901.pdfIn PDF document text
  • http://amsaneeraus.fi/userfiles/files/burarinerebaluxerudeta.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/f7d5fcbd27535740b53d414bb0c35478/bojuxewidexotek.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161407a831008f---wujad.pdfIn PDF document text
  • http://studiolaviano.it/userfiles/files/nukodoxivuvufiwotaf.pdfIn PDF document text
  • http://niktid.ru/userfiles/file/83211376793.pdfIn PDF document text
  • http://www.corazondelsol.es/ckfinder/userfiles/files/bugigaverivizekis.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614614de9a88e---22873481209.pdfIn PDF document text
  • http://foxhill101.com/userimages/jifupisejufaxik.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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