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://krisoc.ru/uplcv?utm_term=best+pve+ship+elite+dangerous PDF link annotation

  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614267a87eb76---57703648482.pdfIn PDF document text
  • http://photopuzzle.net/userData/board/file/sumagizunimarox.pdfIn PDF document text
  • http://fuyu.010bi.com/ckfinder/userfiles/files/rosusomow.pdfIn PDF document text
  • http://unternehmensberatung-hegenbarth.de/userfiles/file/15001884436.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/53949842994.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/83759685962.pdfIn PDF document text
  • http://outspokenholland.com/userfiles/fckFile/20210906060930.pdfIn PDF document text
  • http://proreferee.ru/uploads/ckfinder/files/zebunomepunulosokum.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161454df266ed4---ranowad.pdfIn PDF document text
  • http://transcash.com/ci/userfiles/files/xiputejekiwumevit.pdfIn PDF document text
  • http://geojeoceanhotel.com/userfiles/file/20210909223729.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/161322f62ce61f---towobuwulirawojabavox.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8e09e0bea---45287822676.pdfIn PDF document text
  • http://tunesistudio.eu/userfiles/files/fijegoboj.pdfIn PDF document text
  • https://seeandhearbetter.ie/img/shop/contents/nitevu.pdfIn PDF document text
  • http://miyagi.chi-kara.net/Upload/files/94701666329.pdfIn PDF document text
  • http://optimumnieruchomosci.pl/uploads/userfiles/files/90447713503.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/p0mg04f36vr8j37d4esvp7ksvr/41986910586.pdfIn PDF document text
  • http://we2meeting.com/ckfinder/userfiles/publics/files/fazalereratesuwaralimakat.pdfIn PDF document text
  • https://www.htlexpress.com/ckfinder/userfiles/files/60470729620.pdfIn PDF document text
  • http://vektor-bezpeki.com/userfiles/files/38713052757.pdfIn PDF document text
  • http://chipublichouse.com/ckfinder/userfiles/files/kitozegujidaz.pdfIn PDF document text
  • https://netcsemege.hu/ckfinder/userfiles/files/53329932301.pdfIn PDF document text
  • http://architectureanddesign.it/userfiles/files/70551076927.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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