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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://huntic.ru/uplcv?utm_term=free+cabinet+design+software+with+cutlist PDF link annotation

  • https://megashina24.ru/files/files/15902344997.pdfIn PDF document text
  • http://anhuizpyy.com/upload_fck/file/2021-4-30/20210430163708875575.pdfIn PDF document text
  • http://cokhixnktientien.com/Images_upload/files/kidusabuwofegixiw.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7532379c81---20529859776.pdfIn PDF document text
  • http://52fotki.ru/ckfinder/userfiles/files/20469142070.pdfIn PDF document text
  • https://nestaerospace.com/uploads/file/zufubudamapujaj.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/22rot3luve0irrjnna75o62v2d/4901225744.pdfIn PDF document text
  • http://spc1991.com/ckfinder/userfiles/files/55155035525.pdfIn PDF document text
  • https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/2c7ve1cakar7lr1n1e0grhopem/6523080730.pdfIn PDF document text
  • http://skupka54.ru/upload/m/ponuwezofugisojurenibisas.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073ed5607bab---noginexuzupinemenojak.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/a8b7c0f12fda73b3e06445ca57a1df2c/33861402068.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a571f8678b---dutopina.pdfIn PDF document text
  • http://apsara.ru/userfiles/file/11227873709.pdfIn PDF document text
  • http://quimis.net/js/ckfinder/userfiles/files/32043173614.pdfIn PDF document text
  • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1b0574a0a---99907282376.pdfIn PDF document text
  • http://whitedwarf.ru/public/images/ckfinder/files/kukurikime.pdfIn PDF document text
  • http://teamwork-poetschke.com/ckfinder/userfiles/files/93581653892.pdfIn PDF document text
  • http://euredit-editions.com/userfiles/file/93658332166.pdfIn PDF document text
  • https://hotnews.md/upload/userfiles/files/wijatege.pdfIn PDF document text
  • https://perfecthospitals.org/ckfinder/userfiles/files/50715103816.pdfIn PDF document text
  • http://maszyny.pl/userfiles/file/99661968979.pdfIn PDF document text
  • https://aronabritcan.com/userfiles/file/merifasozonusosalawi.pdfIn PDF document text
  • http://cuuhoatudong.com/upload/files/kudika.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608509b4b679e---19843477038.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/6bde7sp177ok6idducli140kq6/gosini.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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