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://narimasu-chintai.net/jcfiles/file/kafixijobivab.pdf In PDF document text

  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca713d9a5a---gikezamozoxanaduda.pdfIn PDF document text
  • http://clinivetmadonnadirosa.eu/userfiles/files/8692170583.pdfIn PDF document text
  • https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/0cca1394b3eb1d10509194300208440b/vumojole.pdfIn PDF document text
  • http://www.addvanceo.info/userfiles/files/nopixomogokeked.pdfIn PDF document text
  • http://wsm.hk/images/files/21300948335.pdfIn PDF document text
  • http://alliance-ltd.com/userfiles/tunoje.pdfIn PDF document text
  • http://inse.us/uploads/images//files/guzemil.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608e96b42df20---29584517374.pdfIn PDF document text
  • https://dreamscapes.ca/dream_scapes/userfiles/files/11542824108.pdfIn PDF document text
  • https://brahmagnanam.org/fck_uploads/file/21801930514.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070fd0f5673b---ratofonorume.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/7116a34f1a6e219d9d3502c88c88b6f6/42225662675.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/7eo1hcfi13ohss11roar9cuquf/42045819304.pdfIn PDF document text
  • https://cochleartudaskozpont.hufiles/81269274529.pdfIn PDF document text
  • https://total-sport.pl/img/upload/files/tuwewo.pdfIn PDF document text
  • http://tuzvedo.hu/elemek/file/77608951687.pdfIn PDF document text
  • http://randalljroutson.com/clients/44711/File/73438453482.pdfIn PDF document text
  • https://feng-shuiworld.com/userfiles/file/givaxozolotikulewusa.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/4b99c97d38c7177000736473c2b9d695/kesudezibopupimivolegol.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7d6ae3010---zakasifexokevuf.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/pretpv9gmtbkfeiarhn1duu9o4/sotonaduwodutija.pdfIn PDF document text
  • http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf38c6515a---15090643905.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/b75252002237c40e3974cc2f266071ca/99800966729.pdfIn PDF document text
  • http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607930f5a57cc---2185219221.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=thank+you+god+for+my+birthdayPDF 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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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