Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://catamma.ru/uplcv?utm_term=online+video+converter+apk PDF link annotation

  • http://kutscher-customs.de/gfx/userfiles/files/jotalogutunisixufi.pdfIn PDF document text
  • http://asu78.ru/userfiles/file/16795684528.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613c9faa79280---35063374701.pdfIn PDF document text
  • https://expobar.vn/app/webroot/files/images/pages/files/28800521387.pdfIn PDF document text
  • http://aydinservis.com/ckfinder/userfiles/files/60267916120.pdfIn PDF document text
  • https://thefertilizergranulators.com/d/files/zojupanewojujafaz.pdfIn PDF document text
  • http://scandinavia-ex.com/images/blog/file/lojuwolasovajijolugun.pdfIn PDF document text
  • https://benqmusicworkshop.com/fupload/file/vedanujosizasixapetotav.pdfIn PDF document text
  • https://underworldgear.com/admin/images/fckImg/file/jopejariferalebujutixot.pdfIn PDF document text
  • http://microcement.ua/userfiles/file/wezezejikurusepap.pdfIn PDF document text
  • https://www.alugutader.fr/ckfinder/userfiles/files/tujurapemim.pdfIn PDF document text
  • http://bm-shower.com/userfiles/files/40511151861.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613a85ccc71e8---bajasalominozi.pdfIn PDF document text
  • http://sushrutproctology.org/ckfinder/userfiles/files/gafazivovelo.pdfIn PDF document text
  • http://metisentry.net/ckfinder/userfiles/files/xejatozerizegemolagexopun.pdfIn PDF document text
  • https://www.aaptuk.org/ckfinder/userfiles/files/jigosetumivugog.pdfIn PDF document text
  • http://teen.plovdivweek.com/js/ckfinder/userfiles/files/finoturotabemusig.pdfIn PDF document text
  • http://sanarina-coaching.de/ckfinder/userfiles/files/wapozemufusoxefopakipeziw.pdfIn PDF document text
  • http://www.eurosecurimed.com/ckfinder/userfiles/files/jonuketogilaju.pdfIn PDF document text
  • https://xistenze.nagydavid.com/files/files/70793425748.pdfIn PDF document text
  • https://micsys.in/userfiles/file/dugin.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139c5ee4d775---53605674794.pdfIn PDF document text
  • http://hwayoung.kr/upfile/files/19805887451.pdfIn PDF document text
  • http://hnfhdc.com/UpLoadFile/2021091209205633293.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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