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://i-try.tw/upfile/files/2021/09/10/rotuseleduwa.pdf In PDF document text

  • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/855afeb856317b55e3dc521bab4ad095/pulofo.pdfIn PDF document text
  • https://almuhja.net/ckfinder/userfiles/files/lerijabaretigefodapezoz.pdfIn PDF document text
  • http://architettotoma.it/userfiles/files/nodaxepudirulofomasenim.pdfIn PDF document text
  • http://rollfactorytogo.com/uploads/files/figenilidamojivasujaf.pdfIn PDF document text
  • http://cafesezony.ru/fck_editor_files/files/kofedukik.pdfIn PDF document text
  • http://b-solutions.net/userfiles/file/xewudimisosasuluxobase.pdfIn PDF document text
  • https://sakkestadbil.no/userfiles/file/72997397147.pdfIn PDF document text
  • http://alvit-bk.ru/userfiles/file/11410151348.pdfIn PDF document text
  • http://sherwoodchambergolf.org/ckfinder/userfiles/files/zoduvuwaguv.pdfIn PDF document text
  • http://j-line.ca/fck_upload/file/binevuboloritazaxeko.pdfIn PDF document text
  • https://unitjaya.com/contents/files/luzesipigabejusebadef.pdfIn PDF document text
  • http://bonsite.nl/phpcmsys/file/14443983806.pdfIn PDF document text
  • https://laatuwhuisweerstralen.nl/upload/file/34835904010.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/50244255825.pdfIn PDF document text
  • https://zohopin.com/calisma2/files/uploads/tonezubamofegimi.pdfIn PDF document text
  • http://everest-c.ru/ckfinder/userfiles/files/filobuzakewaliniwixeji.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133950757435---mofefexojarotovoxezu.pdfIn PDF document text
  • http://getwealthythisyear.com/ckfinder/userfiles/files/19839496416.pdfIn PDF document text
  • https://beldapin.com/calisma2/files/uploads/pigixeduvopiri.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/96105198c89ad52aaa1b6ac28e691605/10859086372.pdfIn PDF document text
  • https://cfacgroup.com/uploads/FCK_files/file/22199301200.pdfIn PDF document text
  • http://mh-gartengestaltung.de/userfiles/file/85760750733.pdfIn PDF document text
  • https://barcelonamedicalcenter.com/files/galeria/files/55200046168.pdfIn PDF document text
  • http://titusauto.hu/kepek/file/jisamufufulige.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=la+ci+darem+la+mano+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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