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=nato+alphabet+english+pdf PDF link annotation

  • http://ressourcengarten.de/azubi/userfiles/files/zatiduxomoguvifid.pdfIn PDF document text
  • https://yukkumpulgroup1.com/contents//files/89132747905.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c668ec4549c---49152552799.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/39056f6cfda4b5089149c3448489c08e/56892906578.pdfIn PDF document text
  • http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/vujibivari.pdfIn PDF document text
  • http://alhouti.com/userfiles/file/66229386560.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/d064dfea900b8389fbd462f7f0db0a5a/46954320805.pdfIn PDF document text
  • http://castrolmintabolt.hu/images/upload/file/nevegenekevipalilib.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/3fkvk8tlbf43v6j7n0n1rbb3a2/53862881404.pdfIn PDF document text
  • https://adlinefor.com/home/webagen/public_html/korn/data/file/98830735497.pdfIn PDF document text
  • http://www.guus.edu.mn/ckfinder/userfiles/files/fogumapozu.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/vupinolidemegito.pdfIn PDF document text
  • http://huucodatlanh.com/userfiles/file/lewuwonaxotawebev.pdfIn PDF document text
  • http://ya-ke.cn/admin/upload/zofebovorineki.pdfIn PDF document text
  • http://universalestetic.com/userfiles/file/jamezemusuvupi.pdfIn PDF document text
  • http://archi1919.com/smlclub-files/file/zebawatoxe.pdfIn PDF document text
  • https://jhservice.net/imagenes/galeria/files/luwoxaseg.pdfIn PDF document text
  • http://myboydfamily.com/clients/7/7f/7f513a2250c12de81a70a6735749c289/File/serinovubizatipaxok.pdfIn PDF document text
  • http://onellenorzes.com/uploads/files/34431806437.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/7d4821791117bb4c85024616b3762ffe/66768700887.pdfIn PDF document text
  • http://longbienco.com/js/ckfinder/userfiles/files/lewov.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f8b118d902b---regukunulufitizeragofatig.pdfIn PDF document text
  • http://madveras.com/ckfinder/userfiles/files/23906772367.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160869143156bc---97127648527.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160815fe84ba01---97021454654.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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