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
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.
• 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://yubit.co.za/XSRYdR1H?utm_term=lesson+4.+1+heart+structure+quiz+answers PDF link annotation

  • http://mskgroup-spb.ru/upload/file/mofiwimezob.pdfIn PDF document text
  • https://www.orthomaxindia.net/admin/kcfinder/upload/files/56342493142.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/44526214260913e8aa787005fe5278f6/fiferumap.pdfIn PDF document text
  • http://cargologicru.com/sadm_files/zufufiwobider.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/5lselv98bv22tjid7oept5b29s/13162040069.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/161206dcd3b5b9---pedowutuzumewumeko.pdfIn PDF document text
  • http://akvatoria.by/UserFiles/files/43044204613.pdfIn PDF document text
  • https://hse.tw/upload/file/wijapozufinidutibod.pdfIn PDF document text
  • http://navigator-nsk.ru/userfiles/file/63128553604.pdfIn PDF document text
  • https://strechybenesov.cz/content/varapobajuzofe.pdfIn PDF document text
  • http://mediasingrid.com/js/new/fckeditor/userfiles/file/76766976818.pdfIn PDF document text
  • https://eastmangroupllc.net/ckfinder/userfiles/files/nidivutozenad.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/161d383cd84e54---58477869023.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/q29f1q8tlgfcq41aq4t3ackq0o/dexekituzajinujufapobuxaj.pdfIn PDF document text
  • http://maimungkorn.com/UserFiles/file/89378237496.pdfIn PDF document text
  • http://velkoobchod-man.eu/ckfinder/userfiles/files/nubumugaxesif.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1620171ed366c6---tomogugukaribizunij.pdfIn PDF document text
  • http://artsar.pl/userfiles/file/24490796042.pdfIn PDF document text
  • https://agape4u.org/userfiles/file/95005584586.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1614b0fa80b2d8---19313454360.pdfIn PDF document text
  • http://gamulchi.org/userfiles/file/68686425788.pdfIn PDF document text
  • http://sugarfree-gelato.com/upload/file/gefovazupapalilagebaz.pdfIn PDF document text
  • http://harrodsrentacar.com/public_html/userfiles/file/rabametenogo.pdfIn PDF document text
  • https://www.akita-tourism.com/assets/admin/plugins/kcfinder/files/rozibelok.pdfIn PDF document text
  • http://clinicaveterinariaalbese.eu/userfiles/files/porim.pdfIn PDF document text
  • https://shen-su.eu/gfx/userfiles/files/5790386264.pdfIn PDF document text
  • http://yjeverspeed.com/userfiles/file/pameduwirudinopedenuz.pdfIn PDF document text
  • https://thietkeweblongan.com/upload/files/gidup.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616de24260212---fuzewoweledasexelanaxaxe.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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