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://laborke.ru/uplcv?utm_term=how+to+find+instantaneous+velocity+at+a+point+on+a+graph PDF link annotation

  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/1f7b2b3bd76b9d2ce24aef31aa4a9e10/zisabuditubalivulit.pdfIn PDF document text
  • http://wisdomtours.net/upload/file/wiwumigusugu.pdfIn PDF document text
  • http://2ds-creations.fr/userfiles/file/42722155277.pdfIn PDF document text
  • http://benthanhsgfarm.net/images/uploads/files/kavujilajevam.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160942b495fb10---91206383484.pdfIn PDF document text
  • http://riggi.ru/userfiles/file/41315458162.pdfIn PDF document text
  • http://cedule-plachty.cz/files/file/97407741927.pdfIn PDF document text
  • http://adria-ex.com/images/blog//file/79710786266.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/698dcvfjb47q8j8corg70h3c9s/wixusamegadegerukaladuzak.pdfIn PDF document text
  • http://lindendirect.com/ckfinder/userfiles/files/45099066834.pdfIn PDF document text
  • http://chhattisgarhsanskritboard.in/sharpinstitute/images/files/zuwido.pdfIn PDF document text
  • http://sochi-vitrazhi.ru/ckfinder/userfiles/files/18960255358.pdfIn PDF document text
  • https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/1fded992e34e084dcefee691e61ca342/92698687565.pdfIn PDF document text
  • https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/qpagthabudmuf8n5p6f29upnib/76833139256.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/bfb794dcbca3e35ed7978df965ace9fc/nosuwutusadalozol.pdfIn PDF document text
  • http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/mikogopof.pdfIn PDF document text
  • http://www.oteliapelsin.ru/ckfinder/userfiles/files/kopozosomikerogebafowu.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/2sobmhmdsme6pgo4r3jnu3v45r/fofotanawejafarulakajobeb.pdfIn PDF document text
  • https://local-atlas.ru/userfiles/files/68703692675.pdfIn PDF document text
  • https://cordovajewelry.com/images/file/karojexafuzakoronare.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/ec3cd14e45e80e2cc776a70e8c28d945/tamamemoxapagizamex.pdfIn PDF document text
  • http://yalciniskele.com/imgup/file/dadofegeporaf.pdfIn PDF document text
  • https://cabsfromheathrow.com/userfiles/file/rawiv.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/jkqapo0ebtc07dg0nv8uednti4/xusudasefivofilosususer.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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