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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://oniceh.ru/uplcv?utm_term=class+9+computer+science+book+pdf+download PDF link annotation

  • http://bacsiha.com/public/ckfinder/userfiles/files/49886650255.pdfIn PDF document text
  • http://studiolegalezullo.eu/userfiles/files/30998711725.pdfIn PDF document text
  • https://al-farh-iq.com/upload/userfiles/file/3189314132.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/a97dd640f72a27a35865c7038aa763f6/mupujokugib.pdfIn PDF document text
  • https://bustotoronto.com/userfiles/file/nuwekedosis.pdfIn PDF document text
  • https://tsegypt.com/file/lukatagev.pdfIn PDF document text
  • http://tnslib.net/userfiles/files/temiralukixupefibok.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a566f39427b---15731783953.pdfIn PDF document text
  • https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/8d0d3be641d54c7dce9f83f8eb9c4b6a/71006059035.pdfIn PDF document text
  • https://www.seblocation.com/ckfinder/userfiles/files/21122977758.pdfIn PDF document text
  • http://wojno-stal.pl/pliki/file/revizigevi.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c8efc2cede6---rukozefezotu.pdfIn PDF document text
  • https://amatnieks.com/pictures/image/48284293793.pdfIn PDF document text
  • http://dinskayarealty.ru/media/file/xizukukur.pdfIn PDF document text
  • https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/17e43bace8c66e8bd2638e469b5934cc/6939142745.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e727488c86---10382525980.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/27943460526.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/fdce3f3b66846e6ea034fda346838805/46981926285.pdfIn PDF document text
  • https://jxloanchien.com/style/postimage/file/guzal.pdfIn PDF document text
  • http://usateatop.com/_upload/files/2923668263.pdfIn PDF document text
  • https://gulceoyunlar.com/calisma2/files/uploads/fipurebasuvefatapom.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/16094039b53441---wukafonurut.pdfIn PDF document text
  • https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160889839285d2---mexekuwaravirese.pdfIn PDF document text
  • http://chandigarhdatarecovery.com/files/file/tivadowowosidulituxaje.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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