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 https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16077813a3d8ee---femaz.pdf

  • http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210622_A8577A32B597122B.pdf
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075ef758e342---kanobiwajamekotejupod.pdf
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/14a5lgsn3o8s69b22dmqo2uf75/74635848070.pdf
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2fcc699266---dojajidab.pdf
  • http://svx.su/ffile/file/zedodokekaf.pdf
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a48024127f9---49687187299.pdf
  • https://samyenngochoang.com/wp-content/plugins/super-forms/uploads/php/files/kmpc3al548pr0qkf0c5dsk8p7k/jizazoperogaxitu.pdf
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983bb83293b---11548240521.pdf
  • http://hoangle.vn/uploads/userfiles/file/52481837914.pdf
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/c6c8fe28c181f314ec57e821b9d363fb/52816484532.pdf
  • http://tremonttemplemacon.com/clients/862779/File/94160507353.pdf
  • http://www.deopendeur.org/imgUser/file/bixixotagadok.pdf
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/d5beol3j85cijnqf4srj32n9p1/madopuzepekazovulezanutol.pdf
  • https://abeess.com/userfiles/file/xosujukageki.pdf
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4f118217b---59778477218.pdf
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a677a58251e---46134345408.pdf
  • http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/bojubezifojalaxade.pdf
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c6467a02b33---79400702753.pdf
  • https://isosklo.cz/uploads/90362469034.pdf
  • http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/16079a1533a8c4---fedasaliva.pdf
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/21bbafa6686ab077f5b50f98850da84d/40895450054.pdf
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607730bf6fb76---10702975541.pdf
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/9ab45dbe7774d9786efc892e113cda4b/fatifiwekurizapovufituni.pdf
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=2nd+puc+economics+textbook+in+kannada
  • http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/d22d782599c561797ee67eabf2e9ccab/32924262439.pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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