Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chv.vn/userfiles/file/40189021205.pdf In PDF document text

  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/d7f0b553ae06134d9bf4ef0e17dd577d/26906805142.pdfIn PDF document text
  • https://friendsofmultisport.com/ckfinder/userfiles/files/gasexomi.pdfIn PDF document text
  • http://doremimarlikinsaat.com/userfiles/file/18848272139.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/4c627c3ce2596f4b8a96a4d8c1ab27bb/78087974102.pdfIn PDF document text
  • http://china-baby-clothes.com/d/files/kopit.pdfIn PDF document text
  • http://mamaskitchenorder.com/uploads/files/75248587270.pdfIn PDF document text
  • http://fsf-vastroad.com/userfiles/file/9741380925.pdfIn PDF document text
  • http://elearnhouse.com/userfiles/file/64949049423.pdfIn PDF document text
  • http://kondicionery-bronnitsy.ru/upload_picture/file/fugakorilotirapegovow.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/096c5c8bde7d5e6fd703f632614921ce/90186812305.pdfIn PDF document text
  • https://projetovm.com/uploads/files/juduribipijan.pdfIn PDF document text
  • http://smartsecurity24.pl/userfiles/file/38128079092.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161395f195d513---67307895470.pdfIn PDF document text
  • http://videotour24.com/data/fckupload/file/46182765418.pdfIn PDF document text
  • https://limadelimon.com/images/file/15047137683.pdfIn PDF document text
  • https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c990bc57f4---daliviwezaxuzegufo.pdfIn PDF document text
  • http://solis.altrodesign.eu/ckfinder/userfiles/files/32551392991.pdfIn PDF document text
  • http://polaryachtmanufactory.com/res/wysiwyg/file/woniwubifosogizami.pdfIn PDF document text
  • https://divinenine.net/userfiles/file/44106639900.pdfIn PDF document text
  • https://catamma.ru/uplcv?utm_term=the+cultists+ship+was+sunk+on+a+ruin+north+of+theraPDF link annotation
  • http://doudou.tw/userfiles/files/monemajonaliwoxopiw.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 extracted file (font_00_sfnt_off0000be1a.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000be1a.bin)

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