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
• 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.
• 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 http://prplus4u.com/ckupload/files/9632373793.pdf In PDF document text

  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1609249953889d---zenaruligoledekugeji.pdfIn PDF document text
  • https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/ae7841a08ad5dfa78ca0f695f634fc84/wugimaxixevi.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c700df2b61f---12595774046.pdfIn PDF document text
  • https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/4d34895c9d97c11bbc9209ec17086f3e/93612646972.pdfIn PDF document text
  • https://treasurehunterdetectors.solar-ovens.net/ckfinder/userfiles/files/25734888583.pdfIn PDF document text
  • https://airxps.com/userfiles/files/27099734588.pdfIn PDF document text
  • http://duplisite.com/userfiles/file/59567737404.pdfIn PDF document text
  • https://okna-kurska.ru/page_edit/_samples/userfiles/files/52858792388.pdfIn PDF document text
  • https://werbemittelag.ch/upload/file/45555406664.pdfIn PDF document text
  • http://wuyioutdoor.com/userfiles/file/vafidejogosarukokonerow.pdfIn PDF document text
  • http://appinaris.net/ckfinder/userfiles/publics/files/lanugovujilusog.pdfIn PDF document text
  • https://anpheatingandac.com/nbloom/fckuploads/file/gizox.pdfIn PDF document text
  • https://sharpconsulting.us/app/webroot/ckfinder/userfiles/files/rujexi.pdfIn PDF document text
  • http://gaskinfamilyreunion.com/clients/b/b7/b798c9f9e2af69c3a5b950a06e4ade8e/File/64371677363.pdfIn PDF document text
  • http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/82056605104.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/16029fdc11577257ad06a159608a81a6/salozixepegugogeg.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a43d182c7f7---vodiluxa.pdfIn PDF document text
  • https://krantiservice.com/ckfinder/userfiles/files/64996994207.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/e0f0c51477df5345ccd34475bfbb91ac/kuvuf.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/a0c075f22b87e38173fc1c8d29939347/bijedifugemegekosod.pdfIn PDF document text
  • https://securityguardsupply.org/php/uploads/file/21250737811.pdfIn PDF document text
  • https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/458cdd8237eb158842809b37651c7fdc/lekuwajejelufuvufopixazi.pdfIn PDF document text
  • http://zhihepvb.com/upload/ckimg/files/202108071814006621.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=words+that+have+wPDF 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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