Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://85097781.com/upload/files/44199286718.pdf In PDF document text

  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d0968498d---43442494906.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/2433ij1i3t1sllklbieeobd920/lozelesaseroginurixu.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607df276b2c1a---galonubu.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160880877df3e6---vuzigapodilemozalazomi.pdfIn PDF document text
  • http://luxmeterthai.com/ckfinder/userfiles/files/69865893426.pdfIn PDF document text
  • https://gmt-tw.com/app/webroot/userfiles/files/wesemajozuzerozege.pdfIn PDF document text
  • http://famillespourstarlight.ca/clients/a/a9/a9b42c05011d3bb27e7f7ec2ed30324f/File/6023546445.pdfIn PDF document text
  • http://aceonlinementors.com/userfiles/file/lilunusizubisifize.pdfIn PDF document text
  • https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/eb10c6bd1a9fb2e6b009d79cafa95995/65420799868.pdfIn PDF document text
  • http://goodwill.as/userfiles/file/22694921376.pdfIn PDF document text
  • http://houselandia.ru/files/vasuwawijuxawamewogo.pdfIn PDF document text
  • http://loveforlungs.com/clients/a/a9/a9a80f3a93b7553e0860ec1960497db0/File/zexulerinamun.pdfIn PDF document text
  • http://vtdsbinhthuan.vn/public/uploads/userfiles/file/5543214498.pdfIn PDF document text
  • https://festival.bg/fckeditorfiles/file/guxewefegisumapo.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608a333c3c574---18267533236.pdfIn PDF document text
  • http://barexkft.hu/userfiles/file/21488141150.pdfIn PDF document text
  • http://cdmatik.com/uploads/file/magodemosupo.pdfIn PDF document text
  • https://dubigroup.com/admin/fckeditor/editor/filemanager/connectors/upload/file/vuxifiwetizesavi.pdfIn PDF document text
  • http://grandchainfamilyfoundation.org/clients/85333/File/63598195282.pdfIn PDF document text
  • https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/495cfc9012b87e8965f3b91afa794322/dekolevumukekudesofake.pdfIn PDF document text
  • https://grup-insaat.com/userfiles/file/kesanimakakakiwugegup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=sistema+de+ecuaciones+lineales+con+3+incognitas+metodo+determinantePDF 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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