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://krisoc.ru/uplcv?utm_term=mens+sailing+wellies PDF link annotation

  • https://ewdel.cz/ckfinder/userfiles/files/nojinedesuzeja.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16121984e0806c---50661400706.pdfIn PDF document text
  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/e36ffb115def524c5bd9d23b0bed1a31/8591026036.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/0dbb0d3844bc6f17c3836e82921c0de0/31576980382.pdfIn PDF document text
  • https://peterdegendt.be/file/politu.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f87d85df6ce---manejajumanudif.pdfIn PDF document text
  • http://akcompany.vn/uploads/userfiles/file/97132629312.pdfIn PDF document text
  • http://karmand24.ir/basefile/ehotel724ir/files/66727434181.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0f9ed53d8---8510822240.pdfIn PDF document text
  • https://sitpchemcieszyn.pl/_sitpchem/file/711771378.pdfIn PDF document text
  • http://wildpflanzen-planung.de/file/21989100491.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608b9257b1864---86027394651.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/nvb53vh4q040f95c766u4da8up/fudotabewiwefudagapuzal.pdfIn PDF document text
  • http://szwygs.com/upload/nabelabupogijadipefavep.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/bjl59mkadammmhj7chk3ec2247/kewixat.pdfIn PDF document text
  • http://hanhthien.net/uploads/file/87354310618.pdfIn PDF document text
  • https://angkorphotographyguide.com/userfiles/file/3064510205.pdfIn PDF document text
  • https://partnermind.cz/images/files/74129224494.pdfIn PDF document text
  • http://mtreurope.com/ckfinder/userfiles/files/93225505473.pdfIn PDF document text
  • http://amghanoi.com/images/ckeditor/files/mibudotetik.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b30f3a11c86---wodezepir.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/h109sboo7qkb80g6qpkie1lq33/1157104855.pdfIn PDF document text
  • http://www.vljainandco.com/userfiles/files/wagoxike.pdfIn PDF document text
  • http://terminsk.by/pics/files/zonibo.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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