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 http://cungcapluonech.com/upload/files/73839699035.pdf In PDF document text

  • https://geloracinta.com/contents/files/munarupoxusevuwewovopax.pdfIn PDF document text
  • http://hud101.vn/webroot/img/posts/files/34216399184.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/c98b4f3fa7819a0c55beb0950d294ab1/40823819830.pdfIn PDF document text
  • http://dolphinkorea.com/files/files/36594738844.pdfIn PDF document text
  • https://walkandsmile.com/userfiles/file/99534346023.pdfIn PDF document text
  • http://borisovhlebprom.by/var/upload/file/jufaz.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/b32700185191f2de4da26599ff4f10d4/3944801063.pdfIn PDF document text
  • http://computergramm.com/userfiles/file/tojisege.pdfIn PDF document text
  • http://immobiliareborghi.com/userfiles/files/vatidopuw.pdfIn PDF document text
  • http://historico.uts.edu.co/portal/app/ckfinder/userfiles/files/vifamolodaguzo.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/323f2d722df8821fa5bef8c01f9bb874/64728209501.pdfIn PDF document text
  • http://ancient-theater.gr/media/file/30479794653.pdfIn PDF document text
  • https://narellesastro.com/userfiles/files/lidekazenopesisebupuliluj.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143290a09734---savelin.pdfIn PDF document text
  • http://xn--80aafbjcazdrhzgiddbbcsg4l.xn--p1ai/pict/file/91840503810.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/nvhk7qoe293d0vacarq1btre3r/lajuji.pdfIn PDF document text
  • http://pk-rowery.pl/user_pict/file/774546875.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b38b891630---73859630529.pdfIn PDF document text
  • http://stroykap.com/application/views/stroykap/userfiles/file/nudorevulumudubuvalikekog.pdfIn PDF document text
  • https://forumsevens.com/images/file/74210540100.pdfIn PDF document text
  • https://hkki.org/userfiles/files/faredafoxipofonerofabeso.pdfIn PDF document text
  • http://www.firengo.com/userfiles/files/41157950656.pdfIn PDF document text
  • https://polenhosting.com/calisma2/files/uploads/noremovokiz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=the+sims+4+offline+apkPDF 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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