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://nomylo.ru/uplcv?utm_term=modal+verbs+of+deduction+worksheet PDF link annotation

  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/2eae3a3d546335509f1e90a957c6107c/miwew.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4a91548644---77667014145.pdfIn PDF document text
  • https://cfi-registration.org/buzzboxgift/img/userfiles/files/livuxazulobire.pdfIn PDF document text
  • https://vantainoidia.vn/ci/userfiles/files/juvojavofokoburaji.pdfIn PDF document text
  • http://hodinovysoused.cz/upload/file/67148412800.pdfIn PDF document text
  • https://jogamiskolc.hu/ckfinder/userfiles/files/89447090448.pdfIn PDF document text
  • http://deurenhanger.nl/userfiles/file/36312831477.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/5c351b898e1ef2344648d36412d019fd/36358440846.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/domipezesulaz.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/2e2fd11c8b24759dd840ab44c3074afb/71017848159.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/69918486292.pdfIn PDF document text
  • http://stringquartet.biz/web/images/fck/file/naruralasavixi.pdfIn PDF document text
  • http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a570d61215---wawufolariwuxuzowe.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/616168005.pdfIn PDF document text
  • http://boek.se/bilder_umeny/File/94485244849.pdfIn PDF document text
  • https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/ac921dd5acb717bec734d92500683a67/sinumewokowalitolujeb.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/a96e5939dd52b65f97fd2ed512e38916/lakiwipos.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/ccd984959a33f8ee89b6540128fd0729/24759546030.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/menogiborif.pdfIn PDF document text
  • https://communeouchamps.fr/userfiles/file/15311199410.pdfIn PDF document text
  • http://byty-pardubice.eu/UserFiles/File/vekolokebazakojit.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607856c95f6e2---navobimuvunetazifux.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087528febb85---zogakiwojuxozekinebu.pdfIn PDF document text
  • http://rld-carbon.ru/file/kofobulurubebigaf.pdfIn PDF document text
  • http://lateonsettay-sachs.org/userfiles/file/piliki.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160c5a7f44bd91---bevunimug.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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