Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://crewmak.ru/uplcv?utm_term=geomorphology+notes+pdf+download PDF link annotation

  • https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/4b0571edf78e5b00fbb03d630be73b6b/76657639070.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ef9dd42dd---39941658335.pdfIn PDF document text
  • http://xn----ftbkdcamitb5h.xn--p1acf/files/fck/file/datanugipadagisatitagoto.pdfIn PDF document text
  • https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/6o1cl0t0gnaqrfadl88fqkamjs/25767645676.pdfIn PDF document text
  • http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/fofaximatiwavofulovunoxe.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/fb2f1f813aa130f4bcae903a941be4df/73618137578.pdfIn PDF document text
  • https://digitaldaya.com/imagenes/file/lolozi.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a510bfe4968---jejakuxomefomomekorulor.pdfIn PDF document text
  • http://moon-villa123.com/CKEdit/upload/files/tunabetosofo.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a8f275afe---fuzuvak.pdfIn PDF document text
  • http://ranaghatpchsschool.org/userfiles/file/76739939910.pdfIn PDF document text
  • https://at1-turbo-j3t.com/contents/files/zuluvawiriwajekani.pdfIn PDF document text
  • http://naasschoolofmotoring.com/fckeditor/userfiles/file/79408716833.pdfIn PDF document text
  • http://morgancountyoh.com/userimages/sozekinarenanozuwoni.pdfIn PDF document text
  • http://thecreditcrisis.net/clients/73966/File/65958207414.pdfIn PDF document text
  • http://www.ortodonciaelisafarache.com/ckfinder/userfiles/files/naxonupakawidewopila.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a1aa5361251---mapasevupumeziju.pdfIn PDF document text
  • http://studio5r.com/userfiles/files/30480063105.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160820732d9c11---78509212804.pdfIn PDF document text
  • http://carneslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/puzaredawux.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bef6ee327d---77440826520.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4e890c0d04---bexiwoxexudogusojedud.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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