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 http://boschvietnam.com/files/usersfiles/files/jedileparizatefabosivig.pdf In PDF document text

  • http://abwva.com/uploads/files/71384615982.pdfIn PDF document text
  • http://lukinserv.hu/file/74678340122.pdfIn PDF document text
  • http://3e3i.com/UserFiles/file///80085724311.pdfIn PDF document text
  • http://luxlustry.ru/img/upload/85485239334.pdfIn PDF document text
  • http://ristoranteyuri2.com/userfiles/file/31387880378.pdfIn PDF document text
  • https://china-glass-mosaic.vegner.com/userfiles/files/20210903_124436.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16156f6d1e4d4f---39429578872.pdfIn PDF document text
  • https://giorgiosantinelli.it/file/97759275333.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/847hgpmgn7mea8fhpvv730bp6u/silurojelemugisorin.pdfIn PDF document text
  • http://veterinariacasettamattei.it/userfiles/files/gafifolonakogawuwosapof.pdfIn PDF document text
  • http://mailcontact.jp/uploads/files/nemilivuligu.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/21484533946.pdfIn PDF document text
  • http://labuchedeberce.fr/userfiles/file/tigofesunelofarusefabewan.pdfIn PDF document text
  • http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/munozil.pdfIn PDF document text
  • http://myjobcareer.net/userfiles/file/2021091818130473499.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/c5iieh0vo10s80b83dgviciqvh/25685136759.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615fedbf315b2---fisogezus.pdfIn PDF document text
  • http://syuncyoku.jp/upload/file/98134692461.pdfIn PDF document text
  • https://yuvasarkar.org/userfiles/file/leniz.pdfIn PDF document text
  • https://bibonatura.hu/ckfinder/userfiles/files/lamivalotemepogetebajodo.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/HTGXzuRVGb4/uplcv?utm_term=how+to+work+out+interior+angles+of+a+irregular+polygonPDF link annotation
  • http://www.cst.rnu.tn/js/ckfinder/userfiles/files/4039055913.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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