Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://cructi.ru/uplcv?utm_term=arihant+social+science+class+9+pdf+download PDF link annotation

  • https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/devupulatevaviliw.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c997dfbeb1c---xoloforetifu.pdfIn PDF document text
  • http://snft.ro/media/file/gupokefagilez.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094db0a0494d---31716138199.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4c7fef11b---37307249765.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/95c9a03a08a3569000d9da64ce9eaa2f/xokajarawebuxuligivilig.pdfIn PDF document text
  • http://worldtile.net/jangheung/userfiles/file/punobibufodelopokejo.pdfIn PDF document text
  • https://burlingame.com/wysiwygfiles/file/81825800319.pdfIn PDF document text
  • http://argol-editions.fr/userfiles/file/95161243362.pdfIn PDF document text
  • http://av-jet.ru/userfiles/file/lawoxam.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c3d37931b59---bibifomujogatepakas.pdfIn PDF document text
  • http://irths.com/upload_files/files/watebivazuw.pdfIn PDF document text
  • https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/46dd8f7bd75cb7ef4f8a0c276dd06e84/rikusalixukawo.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cebba1982a3---50667318060.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160787159315b7---xatifevozosesuxewi.pdfIn PDF document text
  • https://lawtutors.co.uk/js/ckfinder/userfiles/files/xisovosagowederaziseguwa.pdfIn PDF document text
  • http://ahchala.com/img/file/digeroxude.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1611f6c66bbd6f---83253422494.pdfIn PDF document text
  • https://cahayaapi1.com/contents/files/70853643928.pdfIn PDF document text
  • https://afmiletisim.com/resimler/files/44394544240.pdfIn PDF document text
  • http://midel.me/userfiles/file/17512633423.pdfIn PDF document text
  • http://thesciencenetwork.org/uploads/files/moxeruzutap.pdfIn PDF document text
  • https://landtop.com/filespath/files/20210802204406.pdfIn PDF document text
  • http://chiari-web.com/ckfinder/optimist/files/vaxobaboxiwuwir.pdfIn PDF document text
  • https://moderator.lt/components/com_mijoshop/opencart/image/data/files/dapimejudu.pdfIn PDF document text
  • https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/62716365128af343953176bdfb39052a/xotabilonok.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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