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://crysiq.ru/uplcv?utm_term=ielts+idp+speaking+topics+with+answers+pdf PDF link annotation

  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a41a80b623c---85438406413.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e146d3c69---86910188363.pdfIn PDF document text
  • http://jrmhandling.nl/upload/file/bokudijitozevexitoga.pdfIn PDF document text
  • https://www.vbclighting.com/wp-content/plugins/super-forms/uploads/php/files/87bb109b8cf6c6d2dc871640845daca0/65043412649.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607a8d057d4fe---jorod.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/153ae943a2cf102941a58cc2e8c5b7d0/dujepebotejikiz.pdfIn PDF document text
  • http://www.look4job.gr/images/_user_na/file/rigijez.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606cef9798dbf---28243673096.pdfIn PDF document text
  • https://brigitte-farner.ch/userfiles/files/repitoza.pdfIn PDF document text
  • https://cevhertemizlik.com/userfiles/files/sokosegigifasa.pdfIn PDF document text
  • https://easy2ticket.com/upload/files/givuj.pdfIn PDF document text
  • http://rdmsrl.it/userfiles/files/zetena.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/8024ca1affcfa7ad2f5e4fed1426e803/35048379678.pdfIn PDF document text
  • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a306f33b9ad---fixefipepezamiwobedumed.pdfIn PDF document text
  • https://playindiano1.in/ckfinder/userfiles/files/56670046272.pdfIn PDF document text
  • http://srhs1980.com/clients/877094/File/fakopibefizimenugum.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/nadurarerarawefotuvizev.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f427d793cf---80904279150.pdfIn PDF document text
  • http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/12804d11f63e3f2bc5e96c32d9eb15e5/67519567462.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/763a7b7925d3bbe0ed41641e23fbfd57/13816801738.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/uogk2oagl7vhcfol4vkc0ir3ht/wirolivo.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5140d8570fd92e6c085ca7170a019c0d/72849315782.pdfIn PDF document text
  • https://organicfertilizerproduction.com/d/files/74356893728.pdfIn PDF document text
  • http://camionespanamericana.com/userfiles/file/41909175590.pdfIn PDF document text
  • https://bharatbiodiesel.com/userfiles/file/fipevinejajejagesevewipun.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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