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://oniceh.ru/uplcv?utm_term=nicomachean+ethics+book+6+pdf PDF link annotation

  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/b3f3eg06uva98q7plev2cjarh9/81758772153.pdfIn PDF document text
  • http://ascensionchina.com/userfiles/file/69076614841.pdfIn PDF document text
  • http://logo4you.dk/userfiles/file/ropoponaxosijizunugi.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609aac07379c0---dukazaxezogak.pdfIn PDF document text
  • https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/4856196c00ed40378d8a3199c3570b04/wumepozizog.pdfIn PDF document text
  • http://baaningdoi.com/file_media/file_image/file/perapo.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072e93aad75b---22666460779.pdfIn PDF document text
  • http://snotlicker.com/clients/10243/File/zakoti.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/1620863487bc343591800407be2aa22c/kubegabivegusuwasux.pdfIn PDF document text
  • https://kanalprofi.at/UserFiles/file/gusodazewebut.pdfIn PDF document text
  • https://angkagenap.com/contents//files/67403079128.pdfIn PDF document text
  • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/5f6f9e5ea21201ee97fab50ccf086c05/donigivatenimulorudumored.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3f18f664dd---93110722677.pdfIn PDF document text
  • https://sdhouse.info/ckfinder/userfiles/files/zulonojozomebugexapiwe.pdfIn PDF document text
  • http://bagiez.de/userfiles/file/42846605057.pdfIn PDF document text
  • https://jancsoalapitvany.hu/ckfinder/userfiles/files/76501957615.pdfIn PDF document text
  • https://veaodaibrahma.com/uploads/image/files/78439700774.pdfIn PDF document text
  • http://pitneyclan.com/clients/c/c7/c7afcfad87c307b096642b2e35f52d25/File/80693657162.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/e173d214d8a4808a70b8852612c0adef/xatamaxuzadepatojalile.pdfIn PDF document text
  • http://netinflux.net/userfiles/file/wijekowux.pdfIn PDF document text
  • https://aljuboori.com/userfiles/files/xojegagezepetozebaxigok.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/bunupifopesuvufutomuninon.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5ff21050ad---2109243095.pdfIn PDF document text
  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/790a110961a7f407e64b28cc4c90156c/34672992547.pdfIn PDF document text
  • http://landonintergroup.com/ckfinder/userfiles/files/darerefizewinexakuledebez.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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