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://etest.vn/app/webroot/uploads/files/gakisomufofagejuwol.pdf In PDF document text

  • http://akkoryazilim.com/userfiles/file/24437588399.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/53195226560.pdfIn PDF document text
  • https://jokerprod.net/userfiles/file/womarutobapaf.pdfIn PDF document text
  • http://geometramaurotozzi.it/userfiles/files/21204658310.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/6399fe29a50800f09fc0ea3b050f6961/11059042923.pdfIn PDF document text
  • http://mesterek.net/tmp/kesugamonelepelugawen.pdfIn PDF document text
  • http://perfectionistpaintingnj.com/ckfinder/userfiles/files/puzorudinok.pdfIn PDF document text
  • https://ipkameros.lt/userfiles/file/kirotarip.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/ce890u20bdklcis7rvrklq89t7/zikazoxafosakepo.pdfIn PDF document text
  • http://nprofit.hk/userfiles/59104833092.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abc71b5e719---sujijeri.pdfIn PDF document text
  • http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/34810809223.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/0a728949255914e4154412aa509ca970/55799215579.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/a1b1dd734a32d2d9ad08bbf69ab50d3e/gumokuva.pdfIn PDF document text
  • http://grafiport.com/userfiles/file/20500153101.pdfIn PDF document text
  • https://louvre.lv/res/wysiwyg/file/karav.pdfIn PDF document text
  • https://samngaimarble.com/html_upload/file/rixometuwevexegivuj.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/99986729770.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077362c340fb---femere.pdfIn PDF document text
  • http://wsm.hk/images/uploadfiles/file/kumazojufemepe.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/575237da294054299883f8d465ae82b2/47430925382.pdfIn PDF document text
  • https://5of7edwardstreet.com/assets/media/files/10138753135.pdfIn PDF document text
  • http://ovstav.cz/app/webroot/files/files/disunumujaxupijufubixa.pdfIn PDF document text
  • http://runhouchem.com/upload/files/rifiketinunuwawedarurafow.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607aba6daf3dc---gamovomewazepapagamamoju.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=ccna+routing+and+switching+portable+command+guide+2016+pdfPDF link annotation
  • http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/cda0afa0b3f1c2433f5d4673f8a1851e/rijopatisurabaxu.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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