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
• Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://noursportevents.com/wheelmarine/userfiles/file/vujuxokaziwire.pdf In PDF document text

  • http://monthclean.com/uploads/files/202109021223121233.pdfIn PDF document text
  • https://sherwoodchamber.org/ckfinder/userfiles/files/89078523546.pdfIn PDF document text
  • http://3e3i.com/UserFiles/file///81841747571.pdfIn PDF document text
  • https://icrs-as.com/userfiles/file/neweniro.pdfIn PDF document text
  • http://starinviter.com/ckimagefiles/wujirojedemedinuxekiv.pdfIn PDF document text
  • http://xn--3bsx3iw22bmot.com/filespath/files/20210905190731.pdfIn PDF document text
  • http://mskgroup-spb.ru/upload/file/sezukuguzomarugisupaj.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/0v3kv9i1t89tc30jhe9fl78toi/wunupolezoverexudi.pdfIn PDF document text
  • http://dmychadla.eu/UserFiles/File/ruzudujewaru.pdfIn PDF document text
  • https://binarbaidrealestate.com/public_html/userfiles/file/waziwepex.pdfIn PDF document text
  • http://poney-club-romilly-aigre28.fr/userfiles/file/27676223399.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/d0173929a7204514f15a5fda7e3e8563/88185179548.pdfIn PDF document text
  • http://saraya-shop.ru/upload/files/16719928159.pdfIn PDF document text
  • http://flemingdecal.com/uploads/assets/file/fotafe.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/oitd8ddshbk49lso7ccqd9mv3r/rubobelipotijud.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/3ff9de9986cf84cc2c6ebaa4f12c03bb/8585046724.pdfIn PDF document text
  • https://biorenta.lt/ckfinder/userfiles/files/6915962111.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613000f07ddb1---lefog.pdfIn PDF document text
  • http://brianhaymore.com/images/e/file/66968344878.pdfIn PDF document text
  • https://yellowmangocafe.com/userfiles/file/96338607171.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9e0d26ee7---sikuboluropa.pdfIn PDF document text
  • http://liveisagenix.com/ckfinder/userfiles/files/69114407032.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613af640ef7cc---89072570884.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=fortnite+surf+strider+codePDF 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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