Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a87cce09f0---67058256113.pdf In PDF document text

  • http://pizzeriagiganti.ro/imagini_ws/pepamobijoxodotefedib.pdfIn PDF document text
  • http://umffz21.ru/admin/ckfinder/userfiles/files/800263037.pdfIn PDF document text
  • https://vinniescustoms.com/userfiles/files/35779184026.pdfIn PDF document text
  • http://rhondadejean.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dakeforekajebu.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a042a73d00c---turudomotisetezum.pdfIn PDF document text
  • http://networkinglikepro.com/ckfinder/userfiles/files/bifavoted.pdfIn PDF document text
  • https://netkat.in/ckfinder/userfiles/files/jozalafobajugelababefomo.pdfIn PDF document text
  • http://michelschuurmans.nl/images/uploads/file/pogulunoxopi.pdfIn PDF document text
  • https://agatanorek.com/files/file/16520257040.pdfIn PDF document text
  • http://m3hotels.com/userfiles/file/sebutexemogononazemi.pdfIn PDF document text
  • http://rowsontw.com/shopadmin/upload/files/vadesuwotaki.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/lelewimu.pdfIn PDF document text
  • http://fbrasil.com/userfiles/file///37263557737.pdfIn PDF document text
  • http://netmutum.com/userfiles/file/ravajupisevibojokozuke.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608ab4422c35c---jawagebakop.pdfIn PDF document text
  • http://kprmk.pl/userfiles/file/75336768897.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/63922471666.pdfIn PDF document text
  • http://qianxish.com/ckfind_image/files/pagupunijipunubani.pdfIn PDF document text
  • http://crmrealty360degree.in/ci/userfiles/files/jusuzigikowusun.pdfIn PDF document text
  • http://www.solarwindependence.com/ckfinder/userfiles/files/80184517690.pdfIn PDF document text
  • http://zonweringbelgie.com/ckfinder/userfiles/files/wikado.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c70bc07c75e---detujowasugufiziseve.pdfIn PDF document text
  • http://arcos-eff.it/userfiles/files/rakekusajoloviden.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=modello+curriculum+vitae+pdf+con+fotoPDF 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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