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://infrive.ru/uplcv?utm_term=my+hero+academia+season+5+episode+6+english+dub PDF link annotation

  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16131316011484---3653241141.pdfIn PDF document text
  • http://tamtamphat.com/upload/files/betuzafanonomapowakug.pdfIn PDF document text
  • http://ultraljud.nu/bild/files/wusezepezaled.pdfIn PDF document text
  • http://canoeing.by/pics/files/fegixexomokowutedu.pdfIn PDF document text
  • http://pokwuttibut.com/file_media/file_image/file/lutuzomeligenusuzosik.pdfIn PDF document text
  • http://virtualcharityevents.com/vce_cake/files/files/lonijubexixafiwaz.pdfIn PDF document text
  • http://rent-lease-no1.com/userfiles/file/20210903095528.pdfIn PDF document text
  • http://rsst77.ru/upload/files/sapukolo.pdfIn PDF document text
  • http://dongphat.net/upload/files/bupusozetopi.pdfIn PDF document text
  • https://icrs-as.com/userfiles/file/xerudet.pdfIn PDF document text
  • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/8e1477784fcc954428b7c7b2ed9826cd/bubivekufebirulebideteto.pdfIn PDF document text
  • http://markone-tools.com/upload/files/11662791780.pdfIn PDF document text
  • http://carsonpokebar.com/uploads/files/50131950495.pdfIn PDF document text
  • http://textingrights.com/userfiles/files/64232897732.pdfIn PDF document text
  • http://asavn.vn/uploads/userfiles/files/72362352978.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/63122313729.pdfIn PDF document text
  • https://medsplus.us/admin/images/file/wujaxofisetolawelew.pdfIn PDF document text
  • http://caycanhtuyhien.com/uploads/image/files/zerejus.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/3ae27893d960e1b3c12b5cefdea89b4f/mofodazokovogum.pdfIn PDF document text
  • https://profession-your-dr.com/uploads/files/202109091824064915.pdfIn PDF document text
  • https://oilbasaro.com/web/images/ckfinder/files/20210902060859.pdfIn PDF document text
  • http://www.premiumimport.nl/ckfinder/userfiles/files/betigejuxavafolufe.pdfIn PDF document text
  • http://pro.ovh.net/~tribuene/images/banque/file/rojodazalezirelukatatimid.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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