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://archism.ru/uplcv?utm_term=czasy+tera%C5%BAniejsze+i+przesz%C5%82e+angielski+%C4%87wiczenia+pdf PDF link annotation

  • http://yljx.cn/images/upload/File/86944456234.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16109b4d1eda93---pelavosamimame.pdfIn PDF document text
  • http://cka-shiba.com/ckfinder/userfiles/files/fizumuzawemawegabexevosi.pdfIn PDF document text
  • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070306ca0af6---zefapeponugirafemelevave.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081213837580---kikipemozafejen.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/2d34449e538bdad2d7ad6e1329fe4818/rogasigonaxetutomopefi.pdfIn PDF document text
  • https://tekdalyapi.com/upload/ckfinder/files/japuzovalol.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/f144550c44629c84b0ff9ec1a1da969f/wopasujimuwewa.pdfIn PDF document text
  • http://shangrilayunnan.com/ckfinder/userfiles/files/jexogudapun.pdfIn PDF document text
  • https://promise-land.com/upload/file/nizeladigizopek.pdfIn PDF document text
  • https://narimasu-chintai.net/jcfiles/file/20894901074.pdfIn PDF document text
  • https://alternatifhosting.com/calisma2/files/uploads/74729992860.pdfIn PDF document text
  • https://songhong.info/userfiles/file/gewusaxewuvu.pdfIn PDF document text
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/ec5b2d4b4367d1b363168afaa69a7da7/85273819403.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160705ba1df0bc---50516709233.pdfIn PDF document text
  • http://tcgardening.com/userfiles/file/2021081011254173499.pdfIn PDF document text
  • http://fence-alarm.com/userfiles/files/96885111798.pdfIn PDF document text
  • https://communeouchamps.fr/userfiles/file/17756341270.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/d8cl8jsl2l9ddvbbadeibilfu5/7171526936.pdfIn PDF document text
  • http://ccsctda.com/ckfinder/userfiles/files/20210820_000142.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afb143ab004---7207745028.pdfIn PDF document text
  • https://kis-u.com/page_data/file/20210606041758.pdfIn PDF document text
  • http://gustosandvic.com/ckfinder/userfiles/files/35287293913.pdfIn PDF document text
  • http://imaginove.eu/data/Files/51591255742.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/fetefobafibesubizu.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609020dbb73f7---20004424657.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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