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=drawing+2d+shapes+worksheet+ks2 PDF link annotation

  • http://hengelo.scholenkeuze.nl/UserFiles/files/84755926967.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/9h5mt7kfei7sff07gktcl8bmop/29495076760.pdfIn PDF document text
  • http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1622b61169b8b4---21281151673.pdfIn PDF document text
  • https://www.irisgroupbd.com/templateEditor/kcfinder/upload/files/vunotakerimoja.pdfIn PDF document text
  • http://truhlarstvisollner.cz/data/file/bidixalojisad.pdfIn PDF document text
  • http://www.fbs-g.com/kcfinder/upload/files/76847086857.pdfIn PDF document text
  • http://restavratorstvo.com/ckfinder/userfiles/files/35991071026.pdfIn PDF document text
  • http://plncse.hu/php_data/file/14185899042.pdfIn PDF document text
  • http://sportsclinicwest.ie/media/contents/file/jitedivuwezisuduvilob.pdfIn PDF document text
  • https://processwork.archerhuang.com/ConImg/files/46341693973.pdfIn PDF document text
  • https://www.retailexpert.sk/gfx/administration/js/ckeditor/kcfinder/upload/files/8629392694.pdfIn PDF document text
  • https://scorestop.com/uploads/files/lenepapelifofona.pdfIn PDF document text
  • http://tse.net.in/assets/ckeditor/kcfinder/upload/files/musojuxopolebusexa.pdfIn PDF document text
  • http://nhuaduongnhapkhauaz.com/upload/files/51060862365.pdfIn PDF document text
  • http://sakulchaiplace.com/Uploads/file/rifesok.pdfIn PDF document text
  • http://dieta-plus.pl/userfiles/file/jitorikumomuno.pdfIn PDF document text
  • https://licensing-centre.poweredbypaf.com/files/51988624363.pdfIn PDF document text
  • http://elmasryeverline.net/public/kcfinder/upload/files/jobesamotaxemis.pdfIn PDF document text
  • https://schneider-rozetki.su/kcfinder/upload/files/60716394829.pdfIn PDF document text
  • http://etkindenetim.com/resimler/files/75963631305.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16225f4a7cbe12---57756854876.pdfIn PDF document text
  • http://professionalcsali.hu/admin/ckeditor/kcfinder/upload/files/50523689871.pdfIn PDF document text
  • http://auto4-spb.ru/public/images/ckfinder/files/94839218455.pdfIn PDF document text
  • https://dogodanang.vn/uploads/image/files/lusufonil.pdfIn PDF document text
  • https://dutchhaves.com/uploads/files/202202092105208750.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/161f98ab5871d2---70205139228.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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