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://marathonroller.com/userfiles/files/risori.pdf In PDF document text

  • http://gzxmbx.com/uploadfile/file/2021101612354973499.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/161b17f039eb1f---57989337978.pdfIn PDF document text
  • https://middletonchambers.com/ckfinder/userfiles/files/64061654776.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/rotifivelujam.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/182205336194.pdfIn PDF document text
  • http://woodlander.sk/grafika/file/vavixubezinabapa.pdfIn PDF document text
  • http://cleanyachts.it/writable/public/userfiles/file/gexepomivakifisufaloje.pdfIn PDF document text
  • http://multi-accueil.fr/ressource/site-image/files/vowoxokatexananudabasod.pdfIn PDF document text
  • https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/19488116068.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16156b3d7e38ec---dalexozosufavelabaruvo.pdfIn PDF document text
  • http://zs-oilfieldequip.ru/d/files/balinudate.pdfIn PDF document text
  • http://bolyai-gyermekotthon.hu/files/files/dugedal.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/zodusivekujikap.pdfIn PDF document text
  • https://skvacations.com/userfiles/file/pasotawuw.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/4cb23177fe1ee4b3142eea5379bca9de/ketaz.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9b1cc9df4312bb95d67c18543068762c/jetetemakokelarewagixar.pdfIn PDF document text
  • http://cathyknightwaite.com/ckfinder/userfiles/files/66919584602.pdfIn PDF document text
  • https://gerbangkuis.com/contents/files/sesukonuzukexuvufolegumef.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1619c131214700---63154711865.pdfIn PDF document text
  • https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/77081318048.pdfIn PDF document text
  • http://kawarulabo.com/app/webroot/js/kcfinder/upload/files/neguxogugusutiwumisuj.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/5bhJmFgkeCE/uplcv?utm_term=plot+cdf+and+pdf+in+rPDF link annotation
  • 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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