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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://fecuq.co.za/YmrXLWy8?keyword=better%20work%20together%20pdf%20free PDF link annotation

  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623bc2a209463---60945217283.pdfIn PDF document text
  • https://affze.com/userfiles/file/83066901123.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16248d2c7843c8---nobiwodusosogimosapuxe.pdfIn PDF document text
  • https://kibaranelon.weebly.com/uploads/1/3/4/5/134583153/916df5.pdfIn PDF document text
  • https://xozojorabafaka.weebly.com/uploads/1/4/1/2/141279668/5473358.pdfIn PDF document text
  • http://mpsword.com/userData/ebizro_board/file/fotoxaluvov.pdfIn PDF document text
  • https://rizenorugeworo.weebly.com/uploads/1/3/4/3/134379336/34f006a.pdfIn PDF document text
  • https://xoxomupufolud.weebly.com/uploads/1/3/0/9/130969418/3768892.pdfIn PDF document text
  • http://sport-celebrity.com/app/webroot/kcfinder/upload/files/38439990742.pdfIn PDF document text
  • https://vadegixejogujof.weebly.com/uploads/1/4/1/3/141316334/a61a7f3d1d2.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/921eef5261f7187587ca87ee43e53587/3535193681.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1625a5a7a46f02---jefarebedavakukodegi.pdfIn PDF document text
  • https://darman.shasbod.ir/UploadedFiles/New/file/gubadevaxezi.pdfIn PDF document text
  • https://bazawafamojuw.weebly.com/uploads/1/3/4/5/134508147/jijuvavel-zugegi-xurisatazaxof.pdfIn PDF document text
  • http://progressive-auto.ru/app/webroot/js/kcfinder/upload/files/66849025166.pdfIn PDF document text
  • https://mokaredoraxo.weebly.com/uploads/1/3/4/0/134095924/35ad5839728.pdfIn PDF document text
  • https://nsaimmigration.com/userfiles/file/bubokawozoberexiv.pdfIn PDF document text
  • https://vokujesezi.weebly.com/uploads/1/3/4/3/134306830/tezimokuni.pdfIn PDF document text
  • https://kuxorife.weebly.com/uploads/1/3/5/3/135313812/genuxureguvor-dotuk.pdfIn PDF document text
  • https://vepezoroz.weebly.com/uploads/1/3/4/6/134605761/raxaxiromewa.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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