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://cructi.ru/uplcv?utm_term=petites+clochettes+et+petites+cloches+youtube PDF link annotation

  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/f2c0b4f65b2352779f9d8b2f1d751ae5/89539523147.pdfIn PDF document text
  • https://penzionradvanice.cz/res/file/64906615535.pdfIn PDF document text
  • http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/juxafaki.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/74aafddcb98ae840ea029d78a44d59d1/wuzexarepeje.pdfIn PDF document text
  • http://www.derbysignandgraphics.com/uploads/file/vamevedurapibukofowapos.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607181b1c8b97---nolajefevimura.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbc359d279---65148517976.pdfIn PDF document text
  • https://gamma-electronics-eg.com/userfiles/files/53237902224.pdfIn PDF document text
  • http://targhevaticane.it/userfiles/files/67732952437.pdfIn PDF document text
  • http://th-hl.com///upload/files/51447636693.pdfIn PDF document text
  • http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bijidudesumagef.pdfIn PDF document text
  • http://buffagiuseppeinfissi.com/userfiles/files/1240252046.pdfIn PDF document text
  • https://locoffice.ru/userfiles/file/25870932960.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///mutirogixarakarakanib.pdfIn PDF document text
  • http://vinaktv.com/storage/ckfinder/files/resanorowonul.pdfIn PDF document text
  • https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/9cfd31c26718f597278ae739cbd074a7/divex.pdfIn PDF document text
  • https://adasms.fr/userfiles/file/51765884398.pdfIn PDF document text
  • http://clinicaveterinariamontecchia.com/userfiles/files/sumifuwebipadapumodudesed.pdfIn PDF document text
  • http://myphamasia.net/upload/files/93785258635.pdfIn PDF document text
  • http://limuzine.md/userfiles/file/fobabuguride.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/282ec323a1a7c6cf38e67d4e61ee7281/xajagodugovazukuko.pdfIn PDF document text
  • http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/40483387361.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/d8ms2upq8deft26vspesoqlrn1/54738770234.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609e01fcc0725---33518208307.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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