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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://crewmak.ru/uplcv?utm_term=ie+tab+for+chrome+download+offline+install PDF link annotation

  • https://go2germany.ru/files/file/kunefetumetomufu.pdfIn PDF document text
  • https://confetti-seasons.ru/upload/files/vadofazesililenaxufiwunax.pdfIn PDF document text
  • http://www.maderas-navarro.com/ckfinder/userfiles/files/42184343806.pdfIn PDF document text
  • http://cga82.com/admin/File/rojetulupodi.pdfIn PDF document text
  • https://usssecuritate.ro/userfiles/file/59182488726.pdfIn PDF document text
  • https://geneticapanama.com/userfiles/file/74960627015.pdfIn PDF document text
  • https://www.pharmawell.eu/ckfinder/userfiles/files/21373896961.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/d71619a7d6346bd982e3809008dfab0e/96319884454.pdfIn PDF document text
  • http://kibbkw.com/uploads/file/dotogoroliliromoviva.pdfIn PDF document text
  • https://medicentrumnz.eu/medicentrum/files/file/58024321654.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/3pp78sb36jq4mv3d9csjtt2qo5/32407234478.pdfIn PDF document text
  • https://stalbeckers.nl/userfiles/image/file/tefow.pdfIn PDF document text
  • http://baudoinfamily.com/clients/f/fc/fc66627f90e8a365851b026dcf169025/File/17883560456.pdfIn PDF document text
  • https://collegemahan.ir/basefile/collegemahanir/files/87080675907.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16093f53698db3---xuzosegigotilaxuzasezota.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16120351651b84---xupuwikemikavogofatigu.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adf46f1cbc3---kupafewudonenit.pdfIn PDF document text
  • https://megatekspb.ru/sites/default/files/uploads/4940197909.pdfIn PDF document text
  • http://point-grey-1970-grads.com/clients/f/fe/fe7686cf254963525dc0bd811951f15e/File/mutipadagomuk.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071fe078e01e---xuwidox.pdfIn PDF document text
  • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/fdfrcth5and1og6sllsrhbv9q0/70388695570.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/60543ec345135cf1cb67c764cb050787/disejodela.pdfIn PDF document text
  • https://thinkhigh-tech.com/d/files/91150942527.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161093c820bea4---vikowudevevur.pdfIn PDF document text
  • http://solyaris.pro/admin/ckfinder/userfiles/files/xinozanamutitokax.pdfIn PDF document text
  • http://*web.ctimls.com/In PDF document text
  • http://*mls.com/In 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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