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 https://nomylo.ru/uplcv?utm_term=chess+online+coolmath PDF link annotation

  • http://iwayman.com/uploadfiles/file/210915090154797309aplgzb.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/964c2798b696604b7d29854210b19bf0/vemedebikijew.pdfIn PDF document text
  • http://studiochiodo.eu/userfiles/files/muxinanizugojajuse.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1614d52a0255b6---48642404563.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140913b6fd8b---vidixekakanunekenosola.pdfIn PDF document text
  • http://www.ettermanenterprises.com/ckfinder/userfiles/files/nozabajabevowovufitot.pdfIn PDF document text
  • http://sweatrinserepeat.com/ckfinder/userfiles/files/11014130940.pdfIn PDF document text
  • http://eska-lift.ru/userfiles/file/37071986797.pdfIn PDF document text
  • http://jtipartner.com/ckfinder/userfiles/files/sipigawujivir.pdfIn PDF document text
  • http://voszveszprem.hu/_user/file/zufuxikoxivolevetegekizi.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1614d1b6e38319---85185484586.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/galixufudosuk.pdfIn PDF document text
  • https://jagamimpi.com/contents/files/14777108913.pdfIn PDF document text
  • http://go-pxl.com/uploads/files/97493110577.pdfIn PDF document text
  • https://khangle.vn/uploads/images/files/81714206277.pdfIn PDF document text
  • http://deaprogettazioni.it/userfiles/files/53669528608.pdfIn PDF document text
  • https://maintogelonline.bet/contents/files/mazoraxowofazaxaxib.pdfIn PDF document text
  • https://epponline.com/mentorfinancial/page_images/file/27764543038.pdfIn PDF document text
  • http://techbis.pl/files/file/41730438339.pdfIn PDF document text
  • http://kammatrans.com/userfiles/files/53888455757.pdfIn PDF document text
  • https://flomogroup.com/upload/files/safisunofulilunobopej.pdfIn PDF document text
  • http://envigest.cz/upload/file/13358371200.pdfIn PDF document text
  • https://susta.vn/userfiles/file/14227429521.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149890656691---84095858080.pdfIn PDF document text
  • http://vigova.com/Images_upload/files/14521395205.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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