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://crewmak.ru/uplcv?utm_term=7+days+to+die+download+multiplayer PDF link annotation

  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/m8icv2ndhetpppqii58hnlecs6/17743783542.pdfIn PDF document text
  • http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/36146307550.pdfIn PDF document text
  • https://amblamy.ee/upload/file/papubobarudugojixak.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/90360810f2497ffe9b4f47ecfbd8746c/kusixixapuzevifajig.pdfIn PDF document text
  • https://fanaf.com/article_ressources/file/demupi.pdfIn PDF document text
  • https://www.alarisusallc.com/wp-content/plugins/super-forms/uploads/php/files/3e0dba9e1c7c3c3b05a8ed14d23a0ef5/zipiputekubujaruleb.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/8c32eacde1130841f54119ff4d5ce9c7/tizanoraji.pdfIn PDF document text
  • http://tksvolga.ru/userfiles/file/kokigosedarewagalo.pdfIn PDF document text
  • http://agiusfuneraldirectors.com/files/file/ruwud.pdfIn PDF document text
  • http://efuturesthai.com/uploads/files/nizafenizawovamuxati.pdfIn PDF document text
  • http://www.evisiontiendaonline.com/ckfinder/userfiles/files/fedinuteb.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611fe0427a09c---16854456149.pdfIn PDF document text
  • https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/62225052311.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/2811532441.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/5b20682d450b54258d8a7507e47f442d/83327089491.pdfIn PDF document text
  • https://anmimar.com/royal/userfiles/file/luzejisujobavanupizab.pdfIn PDF document text
  • http://leebyenghun.com/new/upload/board/files/34979801395.pdfIn PDF document text
  • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160fd0d596a7e5---33500239740.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf5e9492f44---95506747791.pdfIn PDF document text
  • https://fundacjanadzieja.com/images/wyswig_images/file/89806896184.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e06c718d14---wukudilalesunijejajukuz.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c961e9b95b---ximowosujuzotivemex.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f1501c30ba6---rolinamezodapivomak.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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