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=is+the+captain+underpants+movie+still+on+netflix PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4450145/normal_60051bf02884d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4500897/normal_605f8b67b864b.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4496577/normal_6005e6cd078bf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447276/normal_60247627e1fdd.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/26a305ea-38bf-4cb2-b745-57476ad9daa7/craftsman_xsp_12-gallon_5.5_hp_wet_dry_vac_set.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad6435b4-e5dc-4541-9a5f-e015009bf8aa/bukurekenibes.pdfIn PDF document text
  • https://d5bea983-5bca-41ba-aae6-6b688785cc77.filesusr.com/ugd/9ec29b_2d761428acd947319a8bc608d062cb8f.pdf?index=trueIn PDF document text
  • https://67dc9804-4028-4298-afd7-d431d2c16fe6.filesusr.com/ugd/559c84_16c63dd9864a4676a96100cda18986e9.pdf?index=trueIn PDF document text
  • https://7f1d4f38-7308-4051-b389-b8ed31312188.filesusr.com/ugd/e948c1_34500ac2f56d4c87857bef63d4e0392f.pdf?index=trueIn PDF document text
  • https://2bb9e989-9ce9-409f-aa8a-839f2ea8d3bf.filesusr.com/ugd/9f8cc2_67fd0d43d3364319a1faeb5655ffff8c.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/muvemasoxaji/asme_b31._3_latest_edition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/80b0b8fe-8182-40cf-9459-1e6f3d96313d/mims_medical_microbiology_and_immunology_free.pdfIn PDF document text
  • https://c06d174a-caca-4ab2-b5a0-4525cd3135d4.filesusr.com/ugd/856cea_5d4afbeda6684cc1a528a5e449a20794.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/kudufigunabi/diwigi.pdfIn PDF document text
  • https://f1c0478e-57b3-422a-b8eb-433964b677d2.filesusr.com/ugd/16c17d_d28d8c5be5144328b5a83ca983da65dd.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/wumodukubaru/android_bytebuffer_to_byte_array.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/98ca64e7-eee4-43bf-8286-c7f898edbd51/gusirilitubegilixu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0f81c2c1-623a-408e-9f03-b2ee2d90632c/how_to_get_jump_slash_in_botw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e42be5dc-cbe9-4cf0-87da-4d9e4dda5e56/what_is_the_strongest_sword_in_sao.pdfIn PDF document text
  • https://s3.amazonaws.com/goviwigax/cce_ka_full_form_kya_hoga.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c87d4b89-87d0-4db5-a3d1-fbfc7fb740b6/the_walking_dead_graphic_novel_compendium.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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