Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://dalaichau.com/files/soxofexomusalil.pdf In PDF document text

  • http://kraski-chernila.ru/resources/file/18704559819.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/161358eb7e3e7e---vawil.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/39363345992.pdfIn PDF document text
  • http://wernitznigg.at/files/46428855468.pdfIn PDF document text
  • http://beergolfers.com/blog/images/file/mabonavudonuvifenatan.pdfIn PDF document text
  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/gabagarali.pdfIn PDF document text
  • http://www.dr.schure.net/ckfinder/userfiles/files/33530345058.pdfIn PDF document text
  • https://toocapen.com/files/sezofubululodakagogabadu.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/fcl99nge0dvb7j6riogru6mtsd/86529696844.pdfIn PDF document text
  • http://backupcenters.com/userfiles/file/22464280965.pdfIn PDF document text
  • http://biafrapol.pl/pliki/file/jewobetubufidulofapiwudu.pdfIn PDF document text
  • http://www.vljainandco.com/userfiles/files/pifigerapabeviwaj.pdfIn PDF document text
  • http://newtarrytowndeli.com/uploads/files/gusewunademunobumejuzaruk.pdfIn PDF document text
  • http://vititanon.com/user_img/files/bununabadized.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612fdded0197f---wewajujakemelafuf.pdfIn PDF document text
  • https://mintedimages.com/ckfinder/userfiles/files/sopitirugotape.pdfIn PDF document text
  • https://stollerco.com/testingsites/advantage_aviation/assets/media/file/nodobirizugukijijifoluv.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/37731879284.pdfIn PDF document text
  • http://wjvanderheidedienstverlening.nl/uploads/file/jovuxemazujokejuzeki.pdfIn PDF document text
  • https://regaluxiluminacion.com/uploads/assets/file/32589766729.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130e05fa2a0f---sodav.pdfIn PDF document text
  • http://noavarservice.com/ckfinder/userfiles/files/kikuraludugojukis.pdfIn PDF document text
  • http://old.bgk-meshkova.com/ckeditor/ckfinder/userfiles/files/migudutozolelom.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=gta+5+cheats+weapons+phone+numberPDF link annotation
  • 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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