Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://baarspo.ru/award?keyword=symbiotic+and+nonsymbiotic+nitrogen+fixation+pdf PDF link annotation

  • http://xokubenafap.66ghz.com/5000_frases_en_ingles.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390999/normal_60437e7a3d628.pdfIn PDF document text
  • http://nefritthebestthing.site/bob_stroller_wheel_tube_replacement9dbkz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374851/normal_6056a96c9a99e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4374368/normal_5fc95e2c635f7.pdfIn PDF document text
  • http://godisibipuvam.22web.org/bootable_partition_manager_free.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4496605/normal_605858e080555.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4481069/normal_603ff444c0130.pdfIn PDF document text
  • http://jidugisukeranav.iblogger.org/wewamiguzikawapekexasulij.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387922/normal_5fd8131d88c94.pdfIn PDF document text
  • http://mini-cam1.club/9003144797v2xr5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411228/normal_60286364c2cc6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4427085/normal_600aace6887e0.pdfIn PDF document text
  • http://bu-markett.com/42882566440iusj4.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4414515/normal_5ffe895f0921e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4481166/normal_5fda1c7b512f6.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://e61e9f85-32c5-4861-9fd4-b89109084c35.filesusr.com/ugd/2e4eb4_a17f293ebbd14185b44e8849084427ea.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/doxifuba/83422071007.pdfIn PDF document text
  • https://0029a690-d003-4268-bdc7-e74daa5a0415.filesusr.com/ugd/a4b355_3085e72a82044f2b90b807cdc6aa8821.pdf?index=trueIn PDF document text
  • https://af1bea64-f5cd-41c2-a7c1-97f21c1aa057.filesusr.com/ugd/592671_9173a4467abd4fe985b19104d853d9ef.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/tojazudibumogab/15867135277.pdfIn PDF document text
  • https://s3.amazonaws.com/zarevizebi/information_asymmetries_definition.pdfIn PDF document text
  • http://lijomoxanegug.rf.gd/cuanto_equivale_9_5_pies_en_metros.pdfIn PDF document text
  • https://s3.amazonaws.com/dubiditiginowo/sadupeladusuje.pdfIn PDF document text
  • https://e5058785-d3d1-442e-b0ad-d0045053dde7.filesusr.com/ugd/17c622_bd44489a8b664a8898ba724b199b3465.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/jirebonudur/59763872812.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://scripts.sil.org/OFLIn PDF document text

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