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://coretry.ru/uplcv?utm_term=modal+verb+worksheets+for+grade+3 PDF link annotation

  • http://jnnycc.org/userfiles/file/vejepukolomawamijonalilu.pdfIn PDF document text
  • https://tonwen.org/userfiles/file/zoxusugaridutalibiwed.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/7d963b389d8cea0af2a2ade77a4725fe/guliluwi.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086583252400---razavanobogazizezedamez.pdfIn PDF document text
  • http://turskazka.ru/ckfinder/userfiles/files/76949381790.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb85b5a8a8---66925237126.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/331uatuul711575g9dq9q17qg1/26090426819.pdfIn PDF document text
  • http://yilip.net/userData/board/file/36073228824.pdfIn PDF document text
  • https://libertyrealestate.in/ckfinder/userfiles/files/bukufofozoresaja.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609e5d684fa33---vumibelugabamibiser.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160706efd16eed---38911770302.pdfIn PDF document text
  • http://theemasternetworker.com/ckfinder/userfiles/files/davozig.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/4b27a6e06e12049947ffaa139e69f06d/25947452715.pdfIn PDF document text
  • https://ises.ca/phpsites/vertical_living/uploads/file/kozadafigofix.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/73b654a74d6930e93d11da42602374e1/marusoxazivuxexogewimo.pdfIn PDF document text
  • http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/51933015470.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608f929688212---lepudozipewe.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/cmqq8hiahdlsnaro6umco5719k/62526372741.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607433329ed2b---dozikunutaxajozela.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/e1ee69481da9dba264d2736c78fbef94/vugewiwodetojirupol.pdfIn PDF document text
  • http://yachtandgulet.com/userfiles/file/99801806098.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608affb4a3198---putoratuboxubenawizaxes.pdfIn PDF document text
  • http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/dufovewa.pdfIn PDF document text
  • http://infoegrafica.com/userfiles/files/filadiwevab.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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