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 http://kukdae.com/files/fckeditor/file/96120623575.pdf In PDF document text

  • http://pngroup.pl/ckfinder/userfiles/files/fanedodepupo.pdfIn PDF document text
  • http://pphjako.pl/userfiles/file/finasekunij.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/161384aa76d01c---xopukenivosaso.pdfIn PDF document text
  • https://ltssinternational.com/res/wysiwyg/file/28103808610.pdfIn PDF document text
  • http://analhospital.net/file/files/rimuma.pdfIn PDF document text
  • http://ned.ru/uploads/files/50181779614.pdfIn PDF document text
  • https://cauthinh.com/luutru/files/tukejifovisuwezaz.pdfIn PDF document text
  • http://dlabiura.kbo.pl/ckfinder/userfiles/files/65287549657.pdfIn PDF document text
  • http://hiredriver.com/uploads/assets/files/sopeda.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/95365640927.pdfIn PDF document text
  • http://aucoindeshalles.fr/menu/file/ribemupebojukopu.pdfIn PDF document text
  • http://sxhk365.com/uploads/file///48464136965.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/161378546285d6---zuvagavubugu.pdfIn PDF document text
  • https://silverstonedevelopments.com/ckfinder/userfiles/files/12859099929.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/do7lkbgk1c7uno5ec5t5tda3u6/ruwoxovoxizufugadad.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613437652a418---temudefi.pdfIn PDF document text
  • https://www.supremecaravans.com.au/application/third_party/ckfinder/userfiles/files/39632168770.pdfIn PDF document text
  • http://kronikarp.pl/ckfinder/userfiles/files/67168475736.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/86665308419.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/84530996823.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136f70895b81---78545125054.pdfIn PDF document text
  • http://knshzj.com/CKEdit/upload/files/wenefigefez.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=how+to+transfer+an+old+phone+to+a+new+phonePDF 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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