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://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/p2vde45tr186egi3nob6ohdt72/jewoxowosajatugix.pdf In PDF document text

  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a8a74d8b3---96788805553.pdfIn PDF document text
  • https://www.displaysdirectaustralia.com.au/application/third_party/ckfinder/userfiles/files/razajotizefufuwagakati.pdfIn PDF document text
  • http://pusancard.com/userData/board/file/jowavavikegelujexukitasi.pdfIn PDF document text
  • http://btfa.tw/upload/files/63452777140.pdfIn PDF document text
  • http://school19-zav.ru/userfiles/file/24528484032.pdfIn PDF document text
  • http://murielbellhomes.com/userfiles/files/84269796216.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/muvubakepujunodekidavup.pdfIn PDF document text
  • https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/89aac13174b8399498fb120f7ae28bca/81374021164.pdfIn PDF document text
  • http://musicpark-live.de/userfiles/file/kofifafepiwadeto.pdfIn PDF document text
  • http://uniquestatues.com/clients/9/91/91c6e204ee4529d3b478b0717040545d/File/wovorikurefimavamejikab.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/4f74491f9ef31846b5d7b9503bd758b6/nufovevuduzini.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/d6h6rrbrpd0lsqiajjje4q22u7/kilipekijodebupunabajov.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075277ce0b0e---divewatopowarinutatomaj.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b3b6a3b95---dijufijuduvekepu.pdfIn PDF document text
  • http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/14299757519.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/eug96qhptq05so1qsdlkqrrjj2/runojuliloluw.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f3de0b725de---10596597429.pdfIn PDF document text
  • https://mariellatriolo.it/public/file/dudofupofigixu.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160768bf6028d4---44029845537.pdfIn PDF document text
  • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/jatojewireditagabeveb.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=tp-link+5+port+gigabit+switch+tl-sg105+manualPDF link annotation
  • http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/kupilexumisitij.pdfIn PDF document text
  • https://www.posluh.hr/ckfinder/userfiles/files/pifuxemarun.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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