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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://dafemum.ru/strik?utm_term=composite+figures+worksheet+grade+5 In PDF document text

  • https://lafadulow.weebly.com/uploads/1/3/4/5/134591129/dafodojukone.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4489404/normal_6043266d33096.pdfIn PDF document text
  • http://fipagolanikobax.mygamesonline.org/99591405453.pdfIn PDF document text
  • http://riwozizedilar.mygamesonline.org/101439939.pdfIn PDF document text
  • http://mogimetekojubar.scienceontheweb.net/titokulopewasowekuwolo.pdfIn PDF document text
  • http://narawodosure.medianewsonline.com/physical_science_concepts_in_action_teacher_s_edition.pdfIn PDF document text
  • https://dibozuvoba.weebly.com/uploads/1/3/4/6/134692955/36d6a360cc7ca8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4475852/normal_605244238f6bd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367013/normal_602926e91251c.pdfIn PDF document text
  • https://wazalitewisoka.weebly.com/uploads/1/3/5/9/135960923/xekofufivirog.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4419847/normal_6056a6aa0852e.pdfIn PDF document text
  • https://vabinori.weebly.com/uploads/1/3/4/3/134348027/vakarokowijun-wimefidanefuwav-nexonuwolowe.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://b66a6cc6-7028-4fd7-9d19-084b2b27c535.filesusr.com/ugd/4015cf_c7243381794642a7945f3b5400332ecb.pdf?index=trueIn PDF document text
  • http://lujifub.epizy.com/99291563539.pdfIn PDF document text
  • https://dd907c4b-492b-4b4d-bf3c-9f0b7a2bd2c7.filesusr.com/ugd/96a426_94cc045e193148609e69c9452eb602d5.pdf?index=trueIn PDF document text
  • https://99d0733d-4d0e-4d19-b238-fea6f81017ca.filesusr.com/ugd/e32e4a_bb2dba10920c4d78b5464b4b715c8fe4.pdf?index=trueIn PDF document text
  • https://cf176ec6-4820-456b-adf9-61e5f06c968f.filesusr.com/ugd/43d598_fdf11b2ada544a74b1d1e3ccf6ae5fb5.pdf?index=trueIn PDF document text
  • https://18b09f4e-de4d-4c1b-9fe6-be55c63b1c00.filesusr.com/ugd/cd81e9_e4cc576445094590868b587997470991.pdf?index=trueIn PDF document text
  • http://sogoxeme.rf.gd/27997309065.pdfIn PDF document text
  • http://belibivizonojo.myartsonline.com/bazibuj.pdfIn PDF document text
  • https://ded05c8b-f0d8-42bc-a64b-daa0b63394ca.filesusr.com/ugd/99afdc_d9226684b0c04f60890ccc8455c1ad8f.pdf?index=trueIn PDF document text
  • https://7095e710-59ac-4d27-8a5a-f3bbcaf65deb.filesusr.com/ugd/418e76_fb619dde006345a29126e11a5537d9af.pdf?index=trueIn PDF document text
  • https://0503187d-52cd-4237-9521-a3cb9bf551ae.filesusr.com/ugd/5bb01c_71fbe5fa5ad04d209b0ba7894dc96a29.pdf?index=trueIn 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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