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://huntic.ru/uplcv?utm_term=pliny+the+younger+letters+pdf PDF link annotation

  • https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/0088fe8ad9f812b14ca19339c04796ca/6921499219.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608c472a398df---28228985506.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/33aa152d8982db07f990f59bc2c8a762/48698464750.pdfIn PDF document text
  • http://canoeing.by/pics/files/93270467904.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/lajozavakatuwitakataxele.pdfIn PDF document text
  • http://mail.me.ntou.edu.tw/ckfinder/userfiles/files/20210904_124613.pdfIn PDF document text
  • https://larustt.com/upload/ckfinder/files/31316031109.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/c4omhtccrg88eua3oed5q65sv3/40178573269.pdfIn PDF document text
  • http://damvua.com/damvua/public/images/files/5761771626.pdfIn PDF document text
  • http://szentimresiklos.hu/upload/file/vujarujiduzoxonokope.pdfIn PDF document text
  • http://gourmethousemacau.com/UploadFilesfile///pedugidisonezelisogazulo.pdfIn PDF document text
  • https://altonika.pro/files/fck/file/turelufedopezibubalu.pdfIn PDF document text
  • http://dlikefulproductions.com/clients/875850/File/72932891178.pdfIn PDF document text
  • http://azco.friend-match.com/upload/files/nalaredokikofubozabegu.pdfIn PDF document text
  • http://medicapoland.pl/uploaded/file/15378188919.pdfIn PDF document text
  • https://blnk.eu/userfiles/files/bixav.pdfIn PDF document text
  • http://iccj.jp/images/uploads/fckeditor/file/jirawi.pdfIn PDF document text
  • http://ajisushionline.com/uploads/files/49970909343.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad0638f88e---18499773782.pdfIn PDF document text
  • http://trustarshida.co/cache/fck_files/file/4980367082.pdfIn PDF document text
  • http://aaaexpressac.com/userfiles/file/92515243350.pdfIn PDF document text
  • http://rochesteradams75.com/clients/7/77/774a1ed2e17b5a3c8fe4214cc08eab78/File/98747344525.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16083e225c7efd---62499145138.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607dde5fa210e---5714948179.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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