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://yafferge.ru/strik?utm_term=creative+writing+prompts+for+elementary+students In PDF document text

  • https://cdn.sqhk.co/xipapotug/gckhhRB/68230112991.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4487665/normal_5fdac4f8b86e8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401691/normal_6017224532c25.pdfIn PDF document text
  • https://cdn.sqhk.co/mitajaso/iujgjge/kisozorufaxorufaj.pdfIn PDF document text
  • https://cdn.sqhk.co/rukokota/iirifPg/las_vegas_challenge_2019_disc_golf.pdfIn PDF document text
  • https://cdn.sqhk.co/wularumijif/1EjdWjc/airtel_recharge_plans_prepaid.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4494136/normal_6039a3fb76b3f.pdfIn PDF document text
  • https://cdn.sqhk.co/pepupiribojo/xij8E4b/frogger_classic_arcade_mini_game.pdfIn PDF document text
  • http://dezoxovozabeluf.iblogger.org/islamic_preschool_curriculum.pdfIn PDF document text
  • https://cdn.sqhk.co/tobipamu/hagfgeW/cinemark_peru_apk.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379471/normal_6058326349ca5.pdfIn PDF document text
  • http://litagud.22web.org/xajilinitazinugofiz.pdfIn PDF document text
  • https://cdn.sqhk.co/gisatajofo/iJsiaHB/poem_neighbors_friendship.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379477/normal_606d28a50001a.pdfIn PDF document text
  • https://cdn.sqhk.co/ximepadogi/JeRVNgi/arabian_drift.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://51f47fa2-20f7-4ec4-bb91-8ae4aee689b4.filesusr.com/ugd/917232_7609da35034444778aa98c37ccb2c2e4.pdf?index=trueIn PDF document text
  • http://sekusasumoda.rf.gd/pazuvapinewodozof.pdfIn PDF document text
  • http://bibarixe.epizy.com/fenikotejojewufulalinufuv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db9acfe0-3acd-4474-be5c-fdc84711682b/sansui_tv_remote_factory_reset.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0896437f-6a5e-4277-8edf-e865b3fcb066/safefenawuzuxenezun.pdfIn PDF document text
  • https://2987c0f4-171e-4473-b3f1-a5468658115b.filesusr.com/ugd/75ff8a_efad1dd9d6bd4c26bee304934b657b83.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/257a5df6-0ea6-4419-a14a-5f5a8d271ac3/4th_grade_math_test_prep_worksheets.pdfIn PDF document text
  • https://911f1565-2faa-4874-b261-330d521e7362.filesusr.com/ugd/f46427_47b4a93adc9f440badf6a0970db86bad.pdf?index=trueIn PDF document text
  • https://aeedc83c-a41d-4179-9d48-e770e4c4cd47.filesusr.com/ugd/e010a7_eebb7c20652c41e29867be674a2ae3d2.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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