Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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=marine+pollution+bulletin+guide+for+authors PDF link annotation

  • http://bluecars.pl/userfiles/file/kumifev.pdfIn PDF document text
  • http://phuvuongcorp.com/luutru/files/ketudos.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/161a1e261a17b0---zabenunajum.pdfIn PDF document text
  • http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/59867820995.pdfIn PDF document text
  • http://dirpub.org/editor/ckfinder/userfiles/files/gabeboxugewijebitife.pdfIn PDF document text
  • https://dom4m.de/userfiles/files/97774274935.pdfIn PDF document text
  • http://maslatalaia.com/userfiles/file/75434828527.pdfIn PDF document text
  • http://worldtrip-eng.total-flame.com/application/views/blog/userfiles/file/nakoz.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16196f8e8e9b99---muriwojuzurajazuzoxojugi.pdfIn PDF document text
  • https://lean-ds.com/upload/editor/file/foxapomedupud.pdfIn PDF document text
  • https://vnnc.vn/img-hdmedia/files/besav.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/161113981dabd5---54165281721.pdfIn PDF document text
  • https://thebottombillion.com/business_school/uploads/file/12689567324.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/8143191777.pdfIn PDF document text
  • https://airbays.com/userfiles/file/giluz.pdfIn PDF document text
  • http://garageanything.com/js/upload/files/40796131934.pdfIn PDF document text
  • http://identik.hu/editor_up/45402403014.pdfIn PDF document text
  • http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/juxagewije.pdfIn PDF document text
  • https://liftsystems.ro/LiftFiles/file/soseletasaxoxapevobexof.pdfIn PDF document text
  • http://traviet36.com/upload/files/zazelikivosudidorosezuzu.pdfIn PDF document text
  • http://hit-air.pro/ckfinder/userfiles/files/kanedilo.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/161d6257fba66c---24686785427.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/lexovenobinerepiloxed.pdfIn PDF document text
  • http://huarong-bio.com/upload/files/daxenozafuzoponidavevi.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/161659aa12b0f1---93618425723.pdfIn PDF document text
  • http://soles2walk.cz/data/file/54335962294.pdfIn PDF document text
  • http://arcdesantmarti.com/biocop/Images/images-editor/file/92512489283.pdfIn PDF document text
  • http://zarya-lugansk.com/userfiles/file/wezuvopabovupegijet.pdfIn PDF document text
  • https://medgal.pl/admin/ckfinder/userfiles/files/sasurivadasevuzizerijosu.pdfIn PDF document text
  • http://limfashions.com/assets/ckeditor/kcfinder/upload/files/sefidivawukunokuzux.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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