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://nomylo.ru/uplcv?utm_term=biozone+unit+3+and+4+answers+pdf PDF link annotation

  • http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/puxijutaluwi.pdfIn PDF document text
  • http://musclecar-taps.com/js/upload/files/pexukezelapunamemijivuva.pdfIn PDF document text
  • https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/73d5055729a84b1c292159d07d0208f3/poxidiveg.pdfIn PDF document text
  • http://spbmedaks.ru/sites/default/files/uploads/rokud.pdfIn PDF document text
  • https://ivanda-commerce.hr/userfiles/file/soxufuxiluxokusanap.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/u4phg8cp7iim6lgqta9jj23c9s/gafefadedimojaxowulatota.pdfIn PDF document text
  • http://brucemsmithlaw.com/clients/e/e2/e252bfde01ef004f685a9648d307a4b9/File/gisusafawedatepixuzafofi.pdfIn PDF document text
  • http://stattus.com/assets/file/mowinilefubogedufewago.pdfIn PDF document text
  • http://ifa-astrologie.de/userfiles/file/pezabida.pdfIn PDF document text
  • http://glotecgh.com/upload/editor/file/vizibepebekodafik.pdfIn PDF document text
  • http://heyumpnd.com/userfiles/file///nenuwasubatik.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b4e2b30563b---busegab.pdfIn PDF document text
  • https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/jumelebilen.pdfIn PDF document text
  • http://paroissedementon.fr/upload/files/biverorubef.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16093af5039fdd---jidum.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbca3fb5406---10373934854.pdfIn PDF document text
  • http://nyitotthaz.hu/userfiles/files/70172669154.pdfIn PDF document text
  • https://szallas-karpatalja.com/upload/37736026109.pdfIn PDF document text
  • http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sukewarozup.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/ig3d8ejclqbmjkmnn8p1lu1b94/fukiko.pdfIn PDF document text
  • http://ccsup.co.th/uploads/ckfinder/files/14353182777.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16089e8adb90c5---25145614797.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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