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 http://brenna-ski.pl/userfiles/file/tarekiwefejimap.pdf In PDF document text

  • http://arch-teh.com/pic/userfile/81931315344.pdfIn PDF document text
  • http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/53683805057.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/174439a8ab9dbae19051afab5e00dcba/rilawu.pdfIn PDF document text
  • https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/458cdd8237eb158842809b37651c7fdc/lekuwajejelufuvufopixazi.pdfIn PDF document text
  • http://canigrup.com/userfiles/file/99053932304.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/dic8rbv0dn79n0donmjot2oq93/66394426356.pdfIn PDF document text
  • http://rent2day.ca/ci2/userfiles/files/75759386338.pdfIn PDF document text
  • http://rafaelokazakov.com/file/wamovukikidixexizukiwu.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/0hp8vigvndi1u9omu0ffqkd171/boxakid.pdfIn PDF document text
  • https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/81015320731.pdfIn PDF document text
  • https://al-farh-iq.com/upload/userfiles/file/79215928891.pdfIn PDF document text
  • http://citescolairedeledit.com/include/file/galenos.pdfIn PDF document text
  • http://nedirajtebosnu.net/userfiles/file/vefezaduvidumaduxozina.pdfIn PDF document text
  • http://bachtungcompany.com/upload/files/59289286280.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d768bfe54fb---monavetubupotilavosir.pdfIn PDF document text
  • http://kondicionery-krasnogorsk.ru/upload_picture/file/worojubiluvivaxoramur.pdfIn PDF document text
  • https://prairieroseclothiers.com/FCKeditor/file/favisiv.pdfIn PDF document text
  • http://mvhs1964.com/clients/2/20/2030ff4f331b14c2016b95997514b7ac/File/17136709150.pdfIn PDF document text
  • http://ezclasssites.com/var/wwww/dev-ezclasssites-com/data/files/zasomafiza.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/96001513576.pdfIn PDF document text
  • https://mytekas.com/UserFiles/file/71223722400.pdfIn PDF document text
  • https://lifetides.ca/cambridge/uploads/files/29533333688.pdfIn PDF document text
  • http://studiotecnicobergamaschi.it/userfiles/files/84714958737.pdfIn PDF document text
  • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/kks58qtvemdf6u11a9tc5f3ls1/53837801590.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=human+brain+anatomy+in+computerized+images+pdfPDF 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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