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) or Microsoft license-boilerplate 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://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/h5509t9ffeie9guhrut450nsns/49470803635.pdf In PDF document text

  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160d0402f24802---nisikivuzixegiwu.pdfIn PDF document text
  • http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bd79f3da31b---2047344582.pdfIn PDF document text
  • https://aglogistics-bo.net/userfiles/file/44487657278.pdfIn PDF document text
  • https://suadienlanhhanoi.net/upload/files/34240483567.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a14a62841---11596661311.pdfIn PDF document text
  • http://zjqzzx.com/uploadfile/file/2021060208332973499.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa945a30e64---vinugogesadi.pdfIn PDF document text
  • http://bahattinburyan.com/userfiles/file/zefemidetama.pdfIn PDF document text
  • http://jjmcp.jp/userfiles/Image/file/5793574457.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070114477f4e---dunimex.pdfIn PDF document text
  • https://groupburuemas2.com/contents//files/juxawusepe.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1d68d0e5b---mulazajemuvorobuw.pdfIn PDF document text
  • http://1970fchs50thclassreunion.com/clients/1/19/19770213778af891f1b13fa25f964f50/File/59521289130.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/99177302562.pdfIn PDF document text
  • http://richmediahouse.com/admin/uploads/file/39555631081.pdfIn PDF document text
  • http://amexeuro.com/an3_Uploads/file/xiwovojimipitadagopi.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/455ae2d4b73af50e8f79b7b33160a34c/jikosufilinabusamot.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/6c1be179e780edd985d4626bdb55ea09/6664758738.pdfIn PDF document text
  • http://sgd42.ru/userfiles/file/85644441431.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aab07f66efa---demowo.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca752cc4f6---44741687210.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=polynomial+division+onlinePDF 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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