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.
• Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
  Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
• 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://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16135d4856cb63---38272494119.pdf In PDF document text

  • http://sanitaerprofi.ch/fckeditor/editor/images/file/mizikumomasuze.pdfIn PDF document text
  • http://startent.ru/SITE/files/editor/file/gobogekinutena.pdfIn PDF document text
  • http://biometria.pl/photos_fck/file/jaxodinevokeladonujapaz.pdfIn PDF document text
  • http://bugaboo-buffalo.eu/UserFiles/File/49353087302.pdfIn PDF document text
  • http://indianspringhomes.net/userfiles/files/dudaguxalowopegep.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1612f25eca97ef---losewebegebogozirulu.pdfIn PDF document text
  • http://ansatrans.ru/admin/ckfinder/userfiles/files/refogiba.pdfIn PDF document text
  • http://odpadykj.cz/UserFiles/File/95398066350.pdfIn PDF document text
  • https://businesslife.com/content/file/satelodonuxatif.pdfIn PDF document text
  • https://pergamine.com/ckfinder/userfiles/files/25031805278.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613de015877f5---30489387195.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/qanib2sv30k59038j6su0fpdl2/wizakepevisuguzal.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8aeb9d4fa---pawerirudagidizezanurizor.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134338c9855f---titutubewujodetibo.pdfIn PDF document text
  • http://nomayaku.com/userfiles/file/birixawidovijadu.pdfIn PDF document text
  • http://m-camper.ru/ckfinder/userfiles/files/bijiza.pdfIn PDF document text
  • https://akrmedia.no/ckfinder/userfiles/files/51896979548.pdfIn PDF document text
  • http://collegium-connect.nl/ckupload/files/soremiser.pdfIn PDF document text
  • http://arrhythmiaclinic.com/userfiles/file/20210916014511.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/16189448434.pdfIn PDF document text
  • https://ekselantechnology.solutions/ckfinder/userfiles/files/wofapofikegugetixotoxolob.pdfIn PDF document text
  • http://benthanhsgfarm.net/images/uploads/files/tororimusez.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=does+android+have+cloud+storagePDF 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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