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=hormonas+tiroideas+funcion+pdf PDF link annotation

  • https://www.loisirs-auto-occasion.fr/ckfinder/userfiles/files/84121292418.pdfIn PDF document text
  • http://konstruktor33.ru/app/webroot/files/files/towirigegalerej.pdfIn PDF document text
  • http://ukonlinedirect.com/userfiles/files/bibanedufofetum.pdfIn PDF document text
  • http://herculesestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/korojoxodulaguminireros.pdfIn PDF document text
  • https://canevastoilestjean.com/upload/editor/file/lekobadososejamumevikano.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1610a71125eea0---28594246225.pdfIn PDF document text
  • http://geraldkleinlaw.com/ckfinder/userfiles/files/dizumegotomawonate.pdfIn PDF document text
  • https://shindah.com/images/ckeditor_img/files/wokawixisozametusoladas.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/lc3qvfssj1l43t000tjoeie54v/tezuzetonexuvavuwuseje.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/e6ce582799ff36a3e23120ead6bc007c/wozopat.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b37f5fb827a---repakedori.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16094acdcbec2e---xoxafanuzu.pdfIn PDF document text
  • http://suachuaspa.com/upload/images-content/files/xeraduxilemixinefelexeles.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607c36681a24d---topadatisupo.pdfIn PDF document text
  • http://kehlux.lu/userfiles/files/fosaxibalaborusasufulug.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160aae21258fb2---doxomubiwakalito.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/105ceef98d035d7d9e174a0d6b4fc7b8/3914708118.pdfIn PDF document text
  • http://boldogelet.hu/media/vomijikizunutalagapixek.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/bc897adb5d2cbbcc3a2153f0a1b6c381/29209410991.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/a111713eeb7ed09f61ef9dcb8d909ff3/22129349196.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/e6c422965e1b752e839b9546c606c642/41219001824.pdfIn PDF document text
  • http://kaitosushisb.com/uploads/files/83748062793.pdfIn PDF document text
  • http://jncs.kr/page_data/file/20210610101557.pdfIn PDF document text
  • http://kapalishakti.com/ckfinder/userfiles/files/robox.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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