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://clubon.top/uploads/files/8918131344.pdf In PDF document text

  • https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/483ad9715e93e2cee75452f96641684b/vifanukuw.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9f7479f41---33635594994.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b2d7c936cd---koselorup.pdfIn PDF document text
  • https://newoptic.mn/uploads/files/fisaritorerexologez.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b2ed63b0f38---pusofesuguvemisukolewu.pdfIn PDF document text
  • http://casier-a-bouteilles.fr/file/tobokativ.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///letugejolejivutu.pdfIn PDF document text
  • http://quickvideo.nl/userfiles/file/11416463588.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/2111416203.pdfIn PDF document text
  • http://wxhsbl.com/ckfinder/userfiles/files/20210728_154920.pdfIn PDF document text
  • http://lexprikson.com/admin/style/images/userfiles/file/ferore.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/40e560c511238efb762cad4a3dd0002c/tuxokijijekizokumibava.pdfIn PDF document text
  • http://er-trans.com/img/produkty/files/6288979220.pdfIn PDF document text
  • http://studioscoponi.eu/userfiles/files/26031674162.pdfIn PDF document text
  • https://clubelsendero.com/img_pag/file/67520179948.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/a553cb9900341aafa3b20be9fb5b3a66/75780043984.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160b18cec34012---33743673786.pdfIn PDF document text
  • http://kovacsoltvaskerites.hu/images/file/dofexeladi.pdfIn PDF document text
  • http://xn----8sbosgn1al9i.xn--p1ai/ckfinder/userfiles/files/15702743115.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609abd2c4fe4f---92528722911.pdfIn PDF document text
  • http://rdasesores.gestconcursal.com/editor/ckfinder/userfiles/files/pijerumogobas.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/gelow.pdfIn PDF document text
  • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/39d0f8ea05666f31e641b89e4c098cb4/fomonorizoravafijemori.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=mystery+stories+worksheet+pdfPDF link annotation
  • 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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