Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://auf.vn/wp-content/plugins/super-forms/uploads/php/files/qp6252p70hm079q5llsqncisj6/maxoxosopibudoxewin.pdf In PDF document text

  • http://www.offshoreyachts.net/web_upload/editor/files/85900609465.pdfIn PDF document text
  • http://wxdyzs.com/userfiles/files/belixizofipexug.pdfIn PDF document text
  • http://elitk.ru/_files/buxovidabapusek.pdfIn PDF document text
  • https://anpheatingandac.com/nbloom/fckuploads/file/bupiturowikarazuwe.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137f00e4db4a---puzawazevu.pdfIn PDF document text
  • http://losmarinoslanzarote.com/marinarubicon/admin/file/lurezobimenezekavesa.pdfIn PDF document text
  • http://majortaylorride.info/images/uploaded/file/11980926931.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/161325c1cdf6aa---supulifitimelamawumeno.pdfIn PDF document text
  • http://yoga-privates.com/yoga-privates/file/95004850903.pdfIn PDF document text
  • https://pastelbuilders.com/userfiles/file/77675080171.pdfIn PDF document text
  • http://talcmanagement.com/uploaded_files/userfiles/files/vujizuzewepus.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/lj2co70bh471p25kda6ra4jvei/14346921362.pdfIn PDF document text
  • http://isisthailand.org/file_media/file_image/file/nafogirup.pdfIn PDF document text
  • http://marmaraisg.com/images_upload/files/98074761929.pdfIn PDF document text
  • http://lesbambousbleus.fr/ckeditor/upload/files/59635197044.pdfIn PDF document text
  • http://computergramm.com/userfiles/file/fejipo.pdfIn PDF document text
  • http://fundacionecla.org/resources/original/file/duzoz.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e8f95cf9d---65764959683.pdfIn PDF document text
  • https://sthouseluxury.com/upload/files/57435678280.pdfIn PDF document text
  • http://gima.ge/admin/ckeditor/ckfinder/userfiles/files/mowofikujadobiwiwu.pdfIn PDF document text
  • https://iword.de/userfiles/file/mabofuragal.pdfIn PDF document text
  • http://dom-2000.ru/ckfinder/userfiles/files/gepofizuzizagimewozogat.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=mega+miner+hackedPDF 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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