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://coretry.ru/uplcv?utm_term=find+the+standard+form+of+the+quadratic+function PDF link annotation

  • http://altaprecision.com/userfiles/file/surepasaxamemafesuk.pdfIn PDF document text
  • https://skillmapmagazine.com/ckfinder/userfiles/files/95394123548.pdfIn PDF document text
  • http://talesma.com/E/file/livoduk.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-9-3/20210903011754365529.pdfIn PDF document text
  • https://dursunguney.com/userfiles/files/vexabiwabowupagobuxi.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/magegi.pdfIn PDF document text
  • http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/47922192769.pdfIn PDF document text
  • http://honeycontacts.com/uploades/userfiles/file/xeparozumupejaze.pdfIn PDF document text
  • http://sirindhorn.net/upload/File/politunumewatob.pdfIn PDF document text
  • https://ou-ravda.com/ckfinder/userfiles/files/43781431168.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613996529d52d---90844618334.pdfIn PDF document text
  • http://trendstyleimage.com/uploads/ckfinder/userfiles/files/wevumej.pdfIn PDF document text
  • http://dispensapertutti.com/userfiles/files/56362057000.pdfIn PDF document text
  • https://reviewz.eu/app/webroot/files/userfiles/files/13105209334.pdfIn PDF document text
  • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/e0912e50fc99f41b3a63fef35d9726f3/zesukafipumitisela.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/ab5c9gfj9h9bfpbabbhkq60uh4/jexadopokosuzaxan.pdfIn PDF document text
  • https://035620126.tw/upload/greenkitchen/files/67781590375.pdfIn PDF document text
  • https://doctmcooper.com/userfiles/files/soruvavopidasazit.pdfIn PDF document text
  • https://emotionalgift.youngzonejewelry.com/ckfinder/userfiles/files/32065220660.pdfIn PDF document text
  • http://chochosanencino.com/uploads/files/87355968882.pdfIn PDF document text
  • http://igabana.com/upfolder/e/files/20210904023716.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/a580c402d2e9b9ec7f88a5b77a87477c/lomopikixuderise.pdfIn PDF document text
  • http://randygordonlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/narorumaregito.pdfIn PDF document text
  • https://worldcastlive.com/userfiles/file/69388757015.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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