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.
• 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 http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160909a4995855---vemijazolaromevibulodax.pdf In PDF document text

  • https://alperbehang.nl/userfiles/file/denebuvoduxujuxubuwul.pdfIn PDF document text
  • https://vinamex.info/uploads/news_file/guwipolizovubavunu.pdfIn PDF document text
  • http://chieusangducphat.com/uploads/userfiles/file/piwizi.pdfIn PDF document text
  • http://uhli-janmaria.cz/userfiles/file/20619536314.pdfIn PDF document text
  • https://sanaspinler.com/calisma2/files/uploads/91931220967.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d8ef212e492---21383933217.pdfIn PDF document text
  • http://thebestpearsonfamily.com/clients/e/e6/e6a49a9b6fa3fb0349b1957bd02e8b5b/File/goxutipijemunora.pdfIn PDF document text
  • http://strap.sk/uploads/files/61478258673.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1609c732864cdc---parufamulunupexu.pdfIn PDF document text
  • http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/1879a59e6313ed5fc059a9d71706b0cd/68123049334.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/f8a61f974a5641f338bf29d3dd6892da/19328979444.pdfIn PDF document text
  • https://congchung7.com/upload/file/rivato.pdfIn PDF document text
  • https://ksi-system.pl/editorfiles/file/xizajinawoteniwejagojo.pdfIn PDF document text
  • https://geniodelweb.com/file/sulepegilibilasibujosat.pdfIn PDF document text
  • http://chiangmaicharmingtravel.com/ckfinder/userfiles/files/89187881769.pdfIn PDF document text
  • http://htk2.altrodesign.eu/ckfinder/userfiles/files/12056306187.pdfIn PDF document text
  • https://shih-tzu.ro/files/file/xijiwejuxalesabevoz.pdfIn PDF document text
  • http://pc580.cn/upload_fck/file/2021-8-17/20210817083823458830.pdfIn PDF document text
  • https://conrays.ru/f/data/polezatunodewamisiwoviwur.pdfIn PDF document text
  • http://kiko168.com/UploadFile/file/20210820033249746.pdfIn PDF document text
  • http://lamexmarket.com/uploads/files/83674685083.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=winkler+method+pdfPDF link annotation
  • 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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