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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://norin.co.za/YmrXLWy8?keyword=short%20story%20for%20kids%20with%20moral%20lesson PDF link annotation

  • https://nugenezeni.weebly.com/uploads/1/3/4/6/134632238/tosirigumoxagexapa.pdfIn PDF document text
  • https://www.adira.co.id/assets/kcfinder/upload/files/7340289640.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1620a375851399---gafufelusatatopasuboro.pdfIn PDF document text
  • http://viaecommerce.com.br/kcfinder/upload/files/51694108493.pdfIn PDF document text
  • https://kidenido.weebly.com/uploads/1/3/1/6/131636891/gujoxilabax.pdfIn PDF document text
  • https://nirulutot.weebly.com/uploads/1/3/4/7/134700174/lakebekuzibovuzof.pdfIn PDF document text
  • http://jamones-luna.shopcloud.es/ckfinder/userfiles/files/39777957198.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1623558c453b18---niruwig.pdfIn PDF document text
  • http://originalavto.ru/userfiles/file/48010617350.pdfIn PDF document text
  • https://murovufusefafa.weebly.com/uploads/1/3/5/3/135331463/2542633.pdfIn PDF document text
  • https://tejivabir.weebly.com/uploads/1/3/4/7/134714352/5114049.pdfIn PDF document text
  • https://bivesazi.weebly.com/uploads/1/3/4/6/134652180/3159135.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/sazadunoto.pdfIn PDF document text
  • https://dxline.eu/userfiles/file/gonopu.pdfIn PDF document text
  • http://volker-issmer.de/userfiles/file/69226841490.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/gqe2inh4jmp7d3dn23nj7nb2k6/3128341102.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 extracted file (font_00_sfnt_off0000efa6.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000efa6.bin)

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