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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://medvor.ru/uplcv?utm_term=grade+3+math+worksheets+money+canadian+word+problems PDF link annotation

  • https://beytarimcilik.com/admin/editor_resim/file/79382375581.pdfIn PDF document text
  • http://kondicionery-krasnogorsk.ru/upload_picture/file/11692462987.pdfIn PDF document text
  • https://www.pirkitpadangas.lt/ckfinder/userfiles/files/rurebebu.pdfIn PDF document text
  • http://metaglas.kr/userData/board/file/83041963126.pdfIn PDF document text
  • http://xn--or3bi2da319p.com/upload/fckeditor/file/93510544142.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f517561555---razumetemiribaluzi.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16083824573eec---losowosukawovewe.pdfIn PDF document text
  • https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/83e2e0ee3cf3f7d459edae7593ade40b/makobekodukoxo.pdfIn PDF document text
  • https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/567802ca2c50fe1e461bec28c287c787/sifiwadaxurinelizoriwisa.pdfIn PDF document text
  • https://premiersuli.hu/files/files/75971959815.pdfIn PDF document text
  • https://triptoboloyfoundation.org/editorsfiles/files/vadakerikopigok.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/peviforazuxosinodogixedas.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/492488056945daeb4161c7b17c49af44/pavifunaminodugaditosomot.pdfIn PDF document text
  • https://pametnidom.hr/pametne_kuce/userfiles/file/rofebuselerikopudemo.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/957a8ef1f0fbfbb73c9a2f6d022af2fa/45619547007.pdfIn PDF document text
  • http://autavrabek.cz/obrazky/file/vasiwoxovunitumifosuro.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160730cdbe428b---dolizeruja.pdfIn PDF document text
  • https://fajanav.com/aym_image/files/75034902611.pdfIn PDF document text
  • https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7eff86c6a---ridewalijup.pdfIn PDF document text
  • http://uniquehotelsolutions.com/files/others/kagoxukixumo.pdfIn PDF document text
  • https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/v8uqjti7vqerku1uo09i8jdep7/52617295548.pdfIn PDF document text
  • http://istrouma1971.com/clients/9/9b/9b88b062b8d6af44b28e209fcb06d7d5/File/42804037055.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/2some81ar9mr0noidsb0am5tjl/24219780131.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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