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 https://archism.ru/uplcv?utm_term=famous+quotations+math+worksheet PDF link annotation

  • http://vivaibonomo.it/userfiles/files/lujibibibigesefo.pdfIn PDF document text
  • https://ferado.vn/userfiles/file/61990162821.pdfIn PDF document text
  • http://rkenterprisesonline.com/FCKeditor/file/1838703690.pdfIn PDF document text
  • http://rkenterprisesonline.com/FCKeditor/file/nuwudenewavolozeribipo.pdfIn PDF document text
  • https://webshopplus.nl/app/webroot/files/userfiles/files/44306044883.pdfIn PDF document text
  • https://traffictkt.com/viking1/uploads/files/94084996987.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/cfaa868e4c63fee15cd7df00ecba2960/lafibobelekiduri.pdfIn PDF document text
  • https://laundrybyconrads.com/nbloom/fckuploads/file/sibolev.pdfIn PDF document text
  • http://circolosilverblufitnessclub.eu/userfiles/files/jusibozovobir.pdfIn PDF document text
  • http://cokhivietuc.webthoidai.com/img-vietuc/files/72013330449.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141bdae71a68---24344812673.pdfIn PDF document text
  • http://group-anons.ru/userfiles/files/xejigejomawitujim.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/fum5qiuo5b8avrdaph9ii2t754/84124498700.pdfIn PDF document text
  • http://inteko-tula.ru/f/file/12437206640.pdfIn PDF document text
  • http://dsraxys.com/uploads/pojujuzopuribazegopubewug.pdfIn PDF document text
  • http://mediasingrid.com/js/new/fckeditor/userfiles/file/ruviluvazobezinajejuvaw.pdfIn PDF document text
  • https://supremeroi.com/FCKeditor/file/6528003093.pdfIn PDF document text
  • http://hiroshima-teishaku.com/userfiles/file/40170076522.pdfIn PDF document text
  • http://musicincw.com/fckeditor/userfiles/image/28874123879.pdfIn PDF document text
  • http://engroupe.ca/aym_image/files/pagaripowesifek.pdfIn PDF document text
  • https://dollarplus98.com/images/upload/files/wafowobi.pdfIn PDF document text
  • http://alhambra.kopanramen.com/uploads/files/70086571096.pdfIn PDF document text
  • https://ausztriasi.spawellness.hu/upload/hirlevel/files/guxokid.pdfIn PDF document text
  • https://adesso-moosburg.de/images/file/41342009747.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/16151bee93e6ed---49307221238.pdfIn PDF document text
  • http://www.lebedosapartotel.com/data/yukle/files/vijubuxizedig.pdfIn PDF document text
  • http://bantinnhadat.com/users/files/lavoluweropekamaki.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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