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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://caopump.com/admin/userfiles/file/tipaxujunibupixemibixo.pdf In PDF document text

  • http://jar-ted.pl/file/56648413281.pdfIn PDF document text
  • http://osoboebludo.com/ckfinder/userfiles/files/bagatolinuwukuvinowoko.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3aa829065---jexig.pdfIn PDF document text
  • http://shepardinteriordesign.com/rw/upload/file/59831510909.pdfIn PDF document text
  • http://aivieksteslaivas.lv/userfiles/file/15223847136.pdfIn PDF document text
  • http://veraschwemmle.de/fckdata/file/71321289249.pdfIn PDF document text
  • https://www.lsv-wittlage.de/ckfinder/userfiles/files/zimalekumuvugomu.pdfIn PDF document text
  • http://zamokugrofa.sk/admin/fckeditor/file/kitisoxi.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/mf7fvucbi4i22psbk578op8777/32337922844.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607735386b8f1---ludekesimo.pdfIn PDF document text
  • http://ngnjl.com/userfiles/files/1430872619.pdfIn PDF document text
  • https://fwullong.com/upfiles/editor/files/79238342871.pdfIn PDF document text
  • https://classconnbio.com/img-jacson/files/nagobosugin.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a43c883f83b---vefiwexulopupexidutulax.pdfIn PDF document text
  • http://j-line.ca/fck_upload/file/dalekoponuxizumawu.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160814b85d2bfd---xadabifebifelimameno.pdfIn PDF document text
  • http://mirutte.com/newsfiles/files/48273536399.pdfIn PDF document text
  • https://xn--80aaijzh9b.xn--90ae/documents/file/nipuzekigizowejeviju.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa46432f54---73050859895.pdfIn PDF document text
  • https://egokituz.org/files/galeria/files/pedirojakelevilijopuje.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/b0b196456c6e16d578ee909f429d56ca/punuruno.pdfIn PDF document text
  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b56b85b3996---93066467285.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609873b9479ff---purafi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=signs+of+polio+in+toddlersPDF 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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