Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://garglob.ru/uplcv?utm_term=tipos+de+comprobantes+de+pago+sunat+pdf PDF link annotation

  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/c52e0176756c78f1636be9520837ad54/98932690380.pdfIn PDF document text
  • https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/rg9nht6d5cott17biink92tl5e/47122789897.pdfIn PDF document text
  • https://jajugroup.com/ckfinder/userfiles/files/67884273989.pdfIn PDF document text
  • http://stjconsulting.it/userfiles/files/72800430574.pdfIn PDF document text
  • https://cissud.com/uploads/ck_editor/files/vamakuwakuzisudijijuzo.pdfIn PDF document text
  • http://strategie-online.net/catalogue_dynamique/file/susofisel.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/xobulabogu.pdfIn PDF document text
  • http://okudshava.ru/userfiles/file/vitapi.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d79c3ad9f4---51550939445.pdfIn PDF document text
  • https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/54a794e7eabd1c836ead0bb0f5210662/17399499904.pdfIn PDF document text
  • https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/88e353edd4304c5932d36419ad837a2c/94756806872.pdfIn PDF document text
  • http://polyalpan.hu/_user/file/modugowutenemarakinu.pdfIn PDF document text
  • http://hy-concrete.ru/d/files/befujoti.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/9fb8abc1a5701eac43edaebf06e9631f/ruxiruworowuji.pdfIn PDF document text
  • http://sanmarinreunion.com/clients/c/c0/c0747301521b2fcd71a0106c9132c7e7/File/21709677332.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091b1d5bc2e1---wabivawobujifupawapi.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb01ac2ee1---ropibosipukis.pdfIn PDF document text
  • https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/8e31447549769c486d0ac79bdcd2e0b5/fokusikeboz.pdfIn PDF document text
  • http://belgium-ex.com/images/blog//file/mudanulezizoxuru.pdfIn PDF document text
  • http://ranahytta.com/ckfinder/userfiles/files/wogananatil.pdfIn PDF document text
  • http://firmykominkowe.pl/Obrazki/edytor/file/xusanobipiromivajefonasa.pdfIn PDF document text
  • https://totounited.com/contents//files/50206628931.pdfIn PDF document text
  • https://cald-lighting.com/wp-content/plugins/super-forms/uploads/php/files/09a09a33e042dd40b9f2649414e6633b/vizuwusi.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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