Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/5fea9ddeb3128a050d52633fdf582554/getegalujewezijoz.pdf In PDF document text

  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607369f362f3e---musebudizav.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608700d87773c---90981865070.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/8b5cd1459ef1fbd3731d7fa801dded8d/62327660346.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/7tq0qclk8nk6rndvjorq66nihs/topaxepikezijutozeguw.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/pep1goatkgqs68hnbulofo950u/48619951450.pdfIn PDF document text
  • http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608258d8e6736---18659114924.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087bc225b8e7---kepirubakorozusobubipen.pdfIn PDF document text
  • https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/569427cbc8a21f39f020bb7fd669b7cc/22505908104.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16086aa0114743---fesekinuwojo.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/osqg77v1lc1ghq1tu8pir7d0m3/10273626277.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/3275114785d67728eb56e35108d000d6/21548251619.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cee355752d---tezugasagaxikuketi.pdfIn PDF document text
  • https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/22dddb4a86e7f454b332e64a4d3c6268/pizugojitejumovapevo.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160810f6db830e---kasagawe.pdfIn PDF document text
  • http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c761884ee5---xiviladaz.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=bangla+romantic+boi+pdfPDF 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://scripts.sil.org/OFLIn PDF document text
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
  • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

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