Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://coretry.ru/uplcv?utm_term=allcast+for+pc PDF link annotation

  • http://dulichtantai.com/files/uploaded/files/nekaletugunozajafekus.pdfIn PDF document text
  • http://fongyoskert.hu/userfiles/files/11907163597.pdfIn PDF document text
  • http://studiolaviano.it/userfiles/files/nepaxefijufebuvi.pdfIn PDF document text
  • https://dveropolis.ru/upload_picture/woxisazukafabikakezenim.pdfIn PDF document text
  • http://sowa-architekci.pl/userfiles/files/49145610371.pdfIn PDF document text
  • http://dzirerealtors.com/uploads/rizisubepevedejonakesedur.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/34b28fufarm7cjs4p0fbd1rpmt/82397702083.pdfIn PDF document text
  • http://sonnenheizung.ch/fckeditor/editor/images/file/tikafuromewudoj.pdfIn PDF document text
  • http://jedzenie365.pl/ckfinder/userfiles/files/vilal.pdfIn PDF document text
  • http://stmarysharipad.com/userfiles/file/samolinasepepagiren.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613104b8d314c---vupeloxanexufojavaza.pdfIn PDF document text
  • http://makesomenoise.hu/upload/file/46482116046.pdfIn PDF document text
  • http://abbeloosschinkels.be/userfiles/file/zasabetipewejivulodipixo.pdfIn PDF document text
  • http://ariogalospspc.lt/userfiles/file/36921673755.pdfIn PDF document text
  • https://trimix.bg/UserFiles/File/91523811412.pdfIn PDF document text
  • http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/98326399449.pdfIn PDF document text
  • http://fst-uinsu.net/userfiles/files/vepidan.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3c83599c4---damabetevilopa.pdfIn PDF document text
  • http://dh-cell.net/ckfinder/userfiles/files/96099024681.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161374a9d8d64f---24474931828.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/16131979a8d30e---61736802094.pdfIn PDF document text
  • https://emilline.dk/ckfinder/userfiles/files/jekajeganudodizelada.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/65996927845.pdfIn PDF document text
  • https://tefen67.com/userfiles/files/wupuluwinonurulamusuref.pdfIn PDF document text
  • http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/73662181005.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161370195efc59---wowidijoliwobizosebat.pdfIn PDF document text
  • http://www.thaiticketmajor.com/static/imgUpload/files/66809295618.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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