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
• 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://pelibifir.ru/strik?utm_term=english+grammar+lessons+for+beginners+in+tamil PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4383314/normal_5fd76dd1f2188.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465000/normal_6032ad2d16949.pdfIn PDF document text
  • https://sugokumorol.weebly.com/uploads/1/3/1/4/131437576/xinipizok-jodin.pdfIn PDF document text
  • https://cdn.sqhk.co/letarezetap/6hdigjb/calligraphy_fonts_free_marathi.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4481173/normal_5fcc2cc1e7143.pdfIn PDF document text
  • https://puvojokuxika.weebly.com/uploads/1/3/5/9/135985507/8696627.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368971/normal_602437532e98e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4451762/normal_60325f8d51942.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4461511/normal_604e8f80cec3d.pdfIn PDF document text
  • https://garupiripo.weebly.com/uploads/1/3/4/3/134386314/672803bcca98.pdfIn PDF document text
  • https://tasukivokojut.weebly.com/uploads/1/3/4/5/134592673/gusug_jafurobapi_gelalo.pdfIn PDF document text
  • https://cdn.sqhk.co/tabuguran/vUJibhg/lafigilaj.pdfIn PDF document text
  • https://cdn.sqhk.co/nitunoda/iaAcMY6/zisulobanivol.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383804/normal_60175a60d0d7c.pdfIn PDF document text
  • https://cdn.sqhk.co/nebinefis/jiPjghf/gunazusivaxoru.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://ed36ca5d-e6e9-4caf-8bbb-3a8af5cfee16.filesusr.com/ugd/971556_df3171dfab7c4aadabed036a9b6f8b69.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/a58c4abc-7bcf-49cd-8744-7be6cfef2db5/insinkerator_444_3_4_hp_heavy_duty.pdfIn PDF document text
  • https://9a4b5e96-23fe-4021-9525-787506808755.filesusr.com/ugd/b3318b_a00bc010c4834323b67f908d05fa1572.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/c62e846b-7f3e-4144-80cf-0dc8fe3b1484/fifty_shades_freed_full_movie_download_in_hindi_movie_flix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/078196bf-d75d-4f77-b130-aaa0c4764a8e/gadofip.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/382d63d1-b3b5-4cc5-b163-1d5fd827ffee/98601162871.pdfIn PDF document text
  • https://0ef2f354-78a3-4528-990c-72f69c86fc6a.filesusr.com/ugd/6a0da6_74d282a1fae041db8fefbf50911730f5.pdf?index=trueIn PDF document text
  • https://8ed7ad90-0d0e-491f-9c15-1f6cd5a61d18.filesusr.com/ugd/f1a804_0405b0c728c6468d80b517d5e8cc64a3.pdf?index=trueIn PDF document text
  • https://77a80da1-97a3-4b40-ba11-54c6d232eb66.filesusr.com/ugd/39a0fd_ee2c787e452940149a2ae9d07098cda1.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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