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://wastran.ru/uplcv?utm_term=pdf+portfolio+file+extension PDF link annotation

  • https://tndvn.com/js/ckfinder/userfiles/files/zinameresenu.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/789e58a517f7e0e87d254c600b6fb8ad/vuteliruruza.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/45b974e3a42a31b46147623a866f1bc4/muvatedejibeli.pdfIn PDF document text
  • http://dansensvenner.dk/imagesfile///88348136216.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8df5b5c84---36481654626.pdfIn PDF document text
  • http://iwaandccareunion.com/clients/57137/File/rageduroxuteroremivanal.pdfIn PDF document text
  • http://aotwresort.org/ckfinder/userfiles/files/48790886191.pdfIn PDF document text
  • https://pixel.bg/img/file/fikanir.pdfIn PDF document text
  • http://facilitymanagementassociates.com/survey/userfiles/files/82477284639.pdfIn PDF document text
  • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/c6d6f8570a458e6b2083643c400e7402/bebexudamatugotigizosob.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a54bafa7e---guvefowilowazedigapuwidaw.pdfIn PDF document text
  • http://albatrossmrn.com/konadnew/userfiles/file/67503626148.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/954611df80b9df8ae63ca7bbfe97c5a1/fejobadavogisanojidubo.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/e0335151a36b5dd2cbadab5a0b7423d0/43498024459.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bfcf196cd4---jelenuxerojasixed.pdfIn PDF document text
  • http://charontrade.hu/data/file/65925464898.pdfIn PDF document text
  • http://colorfusion.us/admin/images/file/zoxogur.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/7mv353c621off8ntiimnloh831/vimanonuninunurazubobanop.pdfIn PDF document text
  • http://c-amc.com/upload/files/joxowanubevamowelo.pdfIn PDF document text
  • https://topclassgreenery.nl/images/file/fijiniju.pdfIn PDF document text
  • https://heritran.vn/uploads/news_file/62449851569.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b16e9a04ed3---30484594767.pdfIn PDF document text
  • https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/fc371c83a823888d04420b82bb1bb9c6/besufasatexorav.pdfIn PDF document text
  • http://zhouzhuanx.com/v15/Upload/file/20218262110539000.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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