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://cructi.ru/uplcv?utm_term=immigrations+questions+and+answers PDF link annotation

  • http://skkouty.cz/ckfinder/userfiles/files/7643438497.pdfIn PDF document text
  • https://bio-obst-und-gemuese.de/userfiles/file/29075272880.pdfIn PDF document text
  • https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/9bb5671b6e98d79c2d39dbccf3328f67/89625409564.pdfIn PDF document text
  • https://valve-toho.com/userfiles/file/84111045945.pdfIn PDF document text
  • http://telekommarketing.com/firme_data/files/20938293889.pdfIn PDF document text
  • http://anatolianlgs.com/userfiles/file/tuzuzetesogax.pdfIn PDF document text
  • http://notarbrazda.cz/userfiles/file/lusezitazejurupekerozij.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/u031giben5gaamqclc9p05t1q6/24907000707.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/93718671040.pdfIn PDF document text
  • http://kleiberit.ru/files/file/50341502137.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/5m5ngqht0ae67cuuesukmgjsq9/foporeli.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073bae2b5d5d---67093120680.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9b7dd8e2d---70009698926.pdfIn PDF document text
  • http://akwarella.pl/user_uploads/file/kosifosapotadolivefize.pdfIn PDF document text
  • http://sugarfree-gelato.com/upload/file/jetisunujevajawulakow.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085cf29414db---1625688504.pdfIn PDF document text
  • http://easternhoteljeju.com/FileData/ckfinder/files/20210626_A1337D00637CF08C.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0e0d0115e1---88813028374.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/kaguzitumazor.pdfIn PDF document text
  • http://www.sphotobooth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160741e86de960---45872801717.pdfIn PDF document text
  • https://robertbah.si/files/file/91787195818.pdfIn PDF document text
  • https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/ep52l6aor63is19i28aror8otl/vuzawikipipi.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/d93a68d88b5e4ff13c56d9f86f4e908a/jirigurejojujemox.pdfIn PDF document text
  • http://xn--80aamdqpfpr.xn--p1ai/upload_picture/97228133152.pdfIn PDF document text
  • 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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