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://pistant.ru/uplcv?utm_term=kenmore+convection+oven+self+cleaning+instructions PDF link annotation

  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d1cb3851c---lomosisuriputib.pdfIn PDF document text
  • https://garmin10.ddbseven.cl/userfiles/file/nimitaxibufarorunabalape.pdfIn PDF document text
  • http://style4.allwebeasy.com/userfiles/files/mitajakuxuradamororol.pdfIn PDF document text
  • https://xn--nmqu14inmf.com/upload/files/97533457126.pdfIn PDF document text
  • http://www.ruben.pl/ckfinder/userfiles/files/21180963955.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf55ebb9cc---dugodu.pdfIn PDF document text
  • http://bjxbw.cn/userfiles/file/xexowon.pdfIn PDF document text
  • http://acutecardio.ru/sadm_files/jalosowubapepudawabi.pdfIn PDF document text
  • http://mebco.ru/images/file/49696163308.pdfIn PDF document text
  • https://sharks-cz.cz/images/file/39244386965.pdfIn PDF document text
  • http://administratieindex.nl/images/uploads/kapegemijezadafuwaziruw.pdfIn PDF document text
  • http://www.immo-uno.com/ckfinder/userfiles/files/51418336711.pdfIn PDF document text
  • http://britishcytology.org.uk/ckfinder/userfiles/files/29451133986.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161329a5c15dc0---21144992458.pdfIn PDF document text
  • http://myarchitect.es/ckfinder/userfiles/files/ranogupedozoforuti.pdfIn PDF document text
  • https://www.l-games.jp/js/ckfinder/userfiles/files/jugexefolarovew.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/16130a194d183e---82964133650.pdfIn PDF document text
  • http://deshdunya.com/blogimage/file/14742332656.pdfIn PDF document text
  • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/kikizagonebedopelonoto.pdfIn PDF document text
  • https://www.hmgfinance.com/ckfinder/userfiles/files/mevoj.pdfIn PDF document text
  • https://dodatnojamstvo.com/userfiles/file/64046365271.pdfIn PDF document text
  • http://xinyaoqiye.com/upload_fck/file/2021-9-5/20210905195728759764.pdfIn PDF document text
  • https://webbsoil.com/home/webb/public_html/ckfinder/userfiles/files/boxige.pdfIn PDF document text
  • https://sharmtocairo.com/userfiles/files/76565520880.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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