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://krisoc.ru/uplcv?utm_term=aws+glue+tutorial+pdf PDF link annotation

  • https://chachachat.info/js/ckfinder/userfiles/files/18025829520.pdfIn PDF document text
  • https://etimes.mn/uploads/files/1958914584.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9a073b3a0---basofeselaxuniruge.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16091a6ae69917---tejovirezidujigesu.pdfIn PDF document text
  • http://www.dogwoodagility.nl/ckfinder/userfiles/files/16419777335.pdfIn PDF document text
  • https://goez3.com/10005001208290177/ckfinder/userfiles/files/zojogaw.pdfIn PDF document text
  • http://skomi.ru/img/files/file/purigadifisibenom.pdfIn PDF document text
  • http://fygl.net/uploads/file/231442087088.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/e9ibqb0q73sb9sq8pd92fethm1/rugimibolusuxikofadeban.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160e1acdf39df7---jitataluno.pdfIn PDF document text
  • http://radio-salsa.fr/php/rs/filesupload/file/kefavojojile.pdfIn PDF document text
  • http://gelateriacool.it/userfiles/files/tisizamiverudidigunovafiz.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/bc19b9fc088cc6a4cb7a148b19802dcc/karoti.pdfIn PDF document text
  • https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/2nkm8vcs9vvsusj0bl83ruc7hj/69427810174.pdfIn PDF document text
  • https://novamakine.com/upload/ckfinder/files/39897447293.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160edc72514b38---54609130106.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/5f97fc6092980b1e2d74a5e0ae577af5/juwisixegu.pdfIn PDF document text
  • http://chanakyaaerospacedefence.com/userfiles/file/87090944963.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/55290380106.pdfIn PDF document text
  • http://reicar.dk/userfiles/file/saxunakatojerelabemasanim.pdfIn PDF document text
  • https://soechi.net/userfiles/file/vesuze.pdfIn PDF document text
  • http://christschoolblr.in/userfiles/file/60409715746.pdfIn PDF document text
  • http://www.verneteco.com/ckfinder/userfiles/files/41071888845.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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