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://yoyep.co.za/XSRYdR1H?utm_term=khan+academy+5th+grade+math+worksheets PDF link annotation

  • http://konyaozgunmobilya.com/userfiles/file/47837344133.pdfIn PDF document text
  • https://27061010.com/uploads/files/202202111016311015.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16203de978f283---lexanekuna.pdfIn PDF document text
  • http://zmksk.ru/userfiles/file/xuvosewokukutakevupe.pdfIn PDF document text
  • http://severstroysnab.ru/userfiles/file/wizazid.pdfIn PDF document text
  • http://www.papelerialapiceros.es/ckfinder/userfiles/files/suroveputafewoxasemudid.pdfIn PDF document text
  • https://www.alapan.org/fckimages/file/63315777662.pdfIn PDF document text
  • http://maquetland.com/v2/images_articles2/files/gutumesala.pdfIn PDF document text
  • http://znsedu.net/admin/ckeditor/kcfinder/upload/files/tiwegususavig.pdfIn PDF document text
  • https://xanbiente.de/userfiles/file/rabolifitidit.pdfIn PDF document text
  • http://melabo.com/upload/files/98876734106.pdfIn PDF document text
  • http://cadex-forensic.com/app/webroot/kcfinder/upload/files/revugisitureg.pdfIn PDF document text
  • http://ashole.hu/UserFiles/File/21870691144.pdfIn PDF document text
  • http://okinawa-touch.com/app/webroot/js/kcfinder/upload/files/piwevozakajat.pdfIn PDF document text
  • http://metabolizmusonline.hu/images/upload/file/21611391007.pdfIn PDF document text
  • http://bobiniauto.com/userfiles/file/35188619045.pdfIn PDF document text
  • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16212f0f34841f---19379720170.pdfIn PDF document text
  • http://clairerolo.com/userfiles/file/96469700359.pdfIn PDF document text
  • http://gulfcoastlist.com/userfiles/file/gagedaguzidazejidalis.pdfIn PDF document text
  • http://investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/31668358266.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620cc3de5a646---88891844836.pdfIn PDF document text
  • http://77owship.netsociality.com/upload/files/wenis.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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