Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://pistant.ru/uplcv?utm_term=bhal+and+bahl+organic+chemistry+book+pdf PDF link annotation

  • http://nguyenxuanhuong.com/upload/files/81777174034.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1c897d4ae---12382572251.pdfIn PDF document text
  • http://primaria-ciocirlia.ro/media/file/74035752124.pdfIn PDF document text
  • http://nfc.soo.jp/file/39719489820.pdfIn PDF document text
  • http://przychodnia-felinskiego.pl/uploads/editor/file/bokeravofav.pdfIn PDF document text
  • http://riph.pl/userfiles/file/najuligesudaju.pdfIn PDF document text
  • http://holland-ex.com/images/blog/file/wosagapuwomijobu.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f38812c453---gimefiwulepijulepupamox.pdfIn PDF document text
  • https://loyd.rs/images/file/89069330078.pdfIn PDF document text
  • http://londonjip.com/userData/board/file/meriwan.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/161329ee035e7c---74392267402.pdfIn PDF document text
  • https://namdolove.com/FileData/ckfinder/files/20210913_2A3EB3453A05789B.pdfIn PDF document text
  • http://utcsp.rustyramone.com/uploads/files/zobijatevutaboxad.pdfIn PDF document text
  • http://longbienco.com/js/ckfinder/userfiles/files/zupebelonikimipojil.pdfIn PDF document text
  • http://gyermekhaz.hu/Content/site_images/files/dirofina.pdfIn PDF document text
  • https://bookmyexcellence.com/bookmyexcellence/js/ckfinder/userfiles/files/71043125850.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613b46b409310---55672516288.pdfIn PDF document text
  • https://webhosting4.net/media/file/dowiterukoduramipiwozetu.pdfIn PDF document text
  • http://solee56.com/ckfinder/userfiles/files/dixaz.pdfIn PDF document text
  • https://danfort.lv/userfiles/file/77379611510.pdfIn PDF document text
  • https://plagij.at/ckfinder/userfiles/files/dofefinob.pdfIn PDF document text
  • https://ijfbacknumber.com/editor_up/982132600.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/38b7964a8589c88deb054191a0137c61/1298303013.pdfIn PDF document text
  • https://sofupingame.net/calisma2/files/uploads/72119370053.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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