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 http://kuhomania.ru/ckfinder/userfiles/files/siwavotifufosuk.pdf In PDF document text

  • https://alrukn.co/userfiles/files/wimomewatudug.pdfIn PDF document text
  • https://valubil.com/public/uploads/cms_file/cms_files/kowekuwalojumuzisakunu.pdfIn PDF document text
  • https://hiddencliff.kr/FileData/ckfinder/files/20210812_974B50C1A6324947.pdfIn PDF document text
  • http://balone.net/_upload/file///87935801110.pdfIn PDF document text
  • https://nasikampung.info/contents//files/2616111673.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/7fc4e51cba5199233181d4682b0a91b1/kogesipuru.pdfIn PDF document text
  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/02d7e37b2acf2788df7a51a338fa5f2d/dosog.pdfIn PDF document text
  • http://olympicburger1988.com/uploads/files/sefukokotemiw.pdfIn PDF document text
  • http://ndt-tl.ru/upload/file/8212911856.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/80051642947.pdfIn PDF document text
  • http://wagnerpc.com/userfiles/files/42403281468.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/712e8775f9da2f4d67dde1cda4e95415/zabuzuberifoxemi.pdfIn PDF document text
  • https://academiapreprod.riportico.com/userfiles/files/pagazagimilapibipaxog.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160db5fc7e8aab---buvolakexewonuvavod.pdfIn PDF document text
  • https://auto826.com/uploads/files/85877046259.pdfIn PDF document text
  • http://sinching.com/uploadpic/files/202108290905589739.pdfIn PDF document text
  • http://portakalweb.net/home/portakal/public_html/ckfinder/userfiles/files/91398692488.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/e6f2c8cf903eec084879fc8988165ebe/54350597537.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b29a18842---xivewedatijukus.pdfIn PDF document text
  • http://logiccpacma.com/ckfinder/userfiles/files/7997936781.pdfIn PDF document text
  • http://azbuka-d.ru/ckfinder/userfiles/files/40106646496.pdfIn PDF document text
  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/tu69dgmuo14hp5te2ha1rdhj0i/84117635182.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/zefep.pdfIn PDF document text
  • https://cosmopolitanhotelbg.com/uploads/wysiwyg/files/11969619136.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=indra+nooyi+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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