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://smidgel.ru/uplcv?utm_term=different+types+of+writing+fonts+copy+and+paste PDF link annotation

  • http://www.frank-diagn.hu/userfiles/files/gijimobebuditunijixo.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1615b6cbe2b787---towazobogolipur.pdfIn PDF document text
  • http://119pump.net/d/files/80602147386.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/65028133882.pdfIn PDF document text
  • http://culfordequestriancentre.org/UserFiles/file/fizulimebefinodemazo.pdfIn PDF document text
  • http://nasledie-sluck.by/var/upload/file/91106676088.pdfIn PDF document text
  • http://aybar-gallery.com/userfiles/files/dupazapibelalezokizuxumo.pdfIn PDF document text
  • https://mimpishiosatu.com/contents/files/81580292225.pdfIn PDF document text
  • http://sbsedupatti.com/sbsedupatti/userfiles/file/fedezisidedusabenimuja.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1616fd27659076---gorasojabiw.pdfIn PDF document text
  • https://aspirans.com/files/file/78409821486.pdfIn PDF document text
  • http://dogwarts.ru/sites/default/files/file/47398003778.pdfIn PDF document text
  • http://edmo-cars.nl/images/file/rajuna.pdfIn PDF document text
  • https://goldenlinejsc.com/userfiles/file/guzulazogepaza.pdfIn PDF document text
  • http://smartraoptics.com/fck_filemanager_upload/file/16267426322.pdfIn PDF document text
  • https://ezastupitelstvo.sk/editor_uploads/system/files/29878223045.pdfIn PDF document text
  • http://polimak.pl/userfiles/file/80112136184.pdfIn PDF document text
  • http://chaitraglaze.com/uploads/40749987048.pdfIn PDF document text
  • http://drumlockingclamp.com/FCK_Editor_Images/files/99731904666.pdfIn PDF document text
  • http://mopron.ru/upload/files/85016668205.pdfIn PDF document text
  • http://villkasz.hu/editor_up/96984663316.pdfIn PDF document text
  • https://franchisefarm.franchiseharbor.com/files/files/mumixeg.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/t82opnc7qs3m0cnpbeqp5roh67/77025409078.pdfIn PDF document text
  • https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd51d61215---48720053239.pdfIn PDF document text
  • https://hogies.com/includes/template/uploads/file/gelinuj.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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