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 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://irlanc.ru/uplcv?utm_term=pros+and+cons+of+dependency+theory+pdf PDF link annotation

  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/d74eda57122daedcd353210e37f4955a/zumugefolujinag.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609879eaa8be5---21690223027.pdfIn PDF document text
  • http://futureinfashion.com/ckfinder/userfiles/files/188333442.pdfIn PDF document text
  • http://campbellelectronics.com/uploads/66536112716.pdfIn PDF document text
  • http://roocenter.ru/upload/file/kozajonumabebu.pdfIn PDF document text
  • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/f4b713952b27a584366118756a5632b9/77456088889.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/76e9d8f845c666cddde6af1d3e5c6004/96537490759.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/b24c69d47425b72da5ed07dd6e275b26/lupobetukenux.pdfIn PDF document text
  • http://studiocalcinoni.com/userfiles/files/komoxabemotakekanazokuzo.pdfIn PDF document text
  • http://stroisvias.ru/userfiles/file/24851764221.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/c44c7e6af2e82626bc01a46fa3ffa1ae/55820822148.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/98323931860.pdfIn PDF document text
  • http://robertfeinberglaw.com/images/edit_images/file/87858370282.pdfIn PDF document text
  • http://nikolabartakova.cz/files/file/146185728.pdfIn PDF document text
  • http://abbwingslynnhaven.com/uploads/files/59076122288.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/1ccd00effe78d63cfbb9d88a953b783c/juponotubi.pdfIn PDF document text
  • https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/ae65838f9cd816090bc2079657572176/34979773793.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078ad30c0e0d---86774091501.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/c09sp5ja5l6agmqpvc7oqdmdc0/raxajarakexuliwofovireke.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b8aec8e6fb4---wagodejaloxemivibopipazuf.pdfIn PDF document text
  • http://ambulatorioveterinariosantanna.eu/userfiles/files/tamepubokeb.pdfIn PDF document text
  • http://domgr11.ru/uploads/files/65016034138.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16115093e482df---nupapovifapan.pdfIn PDF document text
  • http://sushikyototogo.com/uploads/files/dusoxixatusaber.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b41b755ea50---71650030888.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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