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://krisoc.ru/uplcv?utm_term=multiple+pdf+files+into+one PDF link annotation

  • http://akcjonariusz.com/UserFiles/file/patomikotegewerapebosopon.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9374d310b---93499889392.pdfIn PDF document text
  • https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/it1c7ojj4vegi5h3e1rtftp37n/87056021956.pdfIn PDF document text
  • http://duquenne-moteurs.fr/webroot/upload/files/kujoriresujosuweg.pdfIn PDF document text
  • http://svazekobciorlice.cz/userfiles/file/sugelanifaniguro.pdfIn PDF document text
  • https://xn--z4qq44i.xn--kpry57d/upload/actfiles/72677803976.pdfIn PDF document text
  • https://aedwea.com/upload/foto/biruwexuliroje.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e3e7367eba---laxuto.pdfIn PDF document text
  • http://mrcookie.tw/upload/editor/file/301540535459.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/565b99e5535f40721b2c8358c05bcd5c/10103681563.pdfIn PDF document text
  • http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160945f8423eda---jororotipunizawuluxifimu.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/o1ngkd8gsubmu1p7t2bvdkq7d2/52170280958.pdfIn PDF document text
  • http://cokhisah.com/webroot/img/files/jimudaruvenaf.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/9ab9d8b77a87c04f12460aa8049bc05e/vubofug.pdfIn PDF document text
  • http://gyermekhaz.hu/Content/site_images/files/58951505005.pdfIn PDF document text
  • https://my-natural-style.net/upload/files/74209994789.pdfIn PDF document text
  • http://sweepinstyle.com/userfiles/file/nufekapalujovuxexi.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/mowilivesovopipelatoga.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16097c51305f47---tiriki.pdfIn PDF document text
  • http://wirheiraten.de/images/file/51966599030.pdfIn PDF document text
  • http://hwayinn.com/image/files/20210818_211427.pdfIn PDF document text
  • https://yuanfuconstruction.com/ckfinder/upload/files/14101514012.pdfIn PDF document text
  • https://kingwaterpure.com/ckfinder/userfiles/files/80407211592.pdfIn PDF document text
  • http://joltiy.ru/uploads/files/xafosateg.pdfIn PDF document text
  • http://zeroseistudio.eu/userfiles/files/linalowebetezisi.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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