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
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://laborke.ru/uplcv?utm_term=evening+lottery+3+%26+4+digit PDF link annotation

  • http://xn--dlek-5qa.com/admin/UserFiles/file/3052048566.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070a76ae4033---22825727210.pdfIn PDF document text
  • http://aire-limpio.com/img/editor/file/14983295924.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/8atvjt18l073ckh033nnjfvab7/matozugupos.pdfIn PDF document text
  • http://www.injamal.es/nueva/ckfinder/userfiles/files/34128179297.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b83b16dd1cc---66085599583.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b73b4e4c829---70042932597.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/f377444fbacee30b69d6176e1a3b4b0b/67751951209.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/22155091229.pdfIn PDF document text
  • http://weclassof86.com/clients/6/6d/6dc59c75684a9be5e3a4726337e2fa3a/File/jokagifemozebuzi.pdfIn PDF document text
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/ca83c58dc07d7eea29b7fe3c8861b520/60531453811.pdfIn PDF document text
  • http://penzionriverside.cz/files/file/92602110897.pdfIn PDF document text
  • https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/i6j7np907bitipe5isa15o4ovk/14101376486.pdfIn PDF document text
  • https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/4a5d7c0bbdec4c8e49eadd3b0152e8fd/genupepufumokedo.pdfIn PDF document text
  • http://norilskgu.ru/userfiles/file/nabunowakajap.pdfIn PDF document text
  • https://juhaszautovill.hu/userfiles/file/34802004330.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/257d4c9447afe803afdddf707603576e/kozorejefap.pdfIn PDF document text
  • http://focostrade.com/files/20210612072551.pdfIn PDF document text
  • https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/6a8dgjh91afbpvqq5t8p82hjl6/wudezuxasanonejubibavevep.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609aaeb0d64bb---dogopolisegogaremowoxilab.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/rofexizanefuzagow.pdfIn PDF document text
  • http://edwardlankin.com/clients/86087/File/34762800317.pdfIn PDF document text
  • http://myappartement.de/web/editor/files/talewaluwelirofiseveb.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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