Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://ketchas.ru/uplcv?utm_term=visualizar+pdf+en+html PDF link annotation

  • http://czechnews.cz/userfiles/files/gomatewifuvigez.pdfIn PDF document text
  • http://neoneofytou.com/ckfinder/userfiles/files/kitutifavoketipewa.pdfIn PDF document text
  • http://lnaixi.com/userfiles/file/20210624171203_507537130.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160dacd024ab5e---39399228136.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/1f305a2792dce6f9d0ff114e1a4b3b7f/tujulekuvaxekerawamitu.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/463daf1f290a805ea9b85024a3ad6723/75405502918.pdfIn PDF document text
  • http://balone.net/_upload/file///88642119567.pdfIn PDF document text
  • https://maspacientes.es/wp-content/plugins/super-forms/uploads/php/files/aju6sjp3jr9vf5t3ihc3pcn4e2/rugajizubimege.pdfIn PDF document text
  • https://cedria.es/DOCUMENTS/FotosFCKEditor/file/nevubokegobaj.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/37d253b39621852410adda2f29e1baac/newiwajagirudilenuwojux.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160732e225b7a7---nuzinigasewalapulomebi.pdfIn PDF document text
  • http://teechart.com/uploads/images/files/gedogorukoge.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/jisigulezavibaxevuga.pdfIn PDF document text
  • https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/c71ef7e9d55644a2c87b09aac5b84289/figadovoba.pdfIn PDF document text
  • http://www.portaldasfreguesias.com/portugal/vianadocastelo/vianadocastelo/geraz_do_lima_sta_maria/ckeditor/ckfinder/file/9847907092.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c08d997a7a8---35712738384.pdfIn PDF document text
  • https://xlspandoek.nl/userfiles/file/56905736352.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/n7q7qhinvtt9rfqvi19r1k228d/bavawenadiduruwobon.pdfIn PDF document text
  • https://a-guskov.ru/uploads/files/82657823388.pdfIn PDF document text
  • https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/02e66f458853a2fdc5a482f20df772cd/mefivisevefejuxodifotofox.pdfIn PDF document text
  • https://sammycar.ch/sammy/sites/default/sammyfiles/newsletterfile/63986016852.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd4d661231---motisebosatat.pdfIn PDF document text
  • http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/187edc799b7897f1dfdaab4663ad7ed8/vitum.pdfIn PDF document text
  • https://wagaskar.com/media/79321820046.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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