Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 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://lozipotod.ru/123?utm_term=apple+icloud+drive+for+android

  • https://static.s123-cdn-static.com/uploads/4384301/normal_5fdf31f170d91.pdf
  • http://gonifarej.mywebcommunity.org/62660911268.pdf
  • https://static.s123-cdn-static.com/uploads/4424364/normal_5fdea2ec1f559.pdf
  • https://sewajevujunu.weebly.com/uploads/1/3/2/8/132814136/4087432.pdf
  • http://nebuxopav.mypressonline.com/40469511437.pdf
  • https://foxesusonixuna.weebly.com/uploads/1/3/5/2/135298742/konajof_zokexipavabuxed.pdf
  • https://fekebejoluxoji.weebly.com/uploads/1/3/4/3/134309121/2375411.pdf
  • https://static.s123-cdn-static.com/uploads/4459628/normal_5fcc01064451e.pdf
  • https://zogomidovuga.weebly.com/uploads/1/3/1/6/131636914/855200.pdf
  • https://cdn-cms.f-static.net/uploads/4475852/normal_604472c60b43b.pdf
  • http://www.ascendercorp.com/
  • http://www.ascendercorp.com/typedesigners.html
  • https://s3.amazonaws.com/juzowilipi/template_game_construct_2_free.pdf
  • https://uploads.strikinglycdn.com/files/b15a08bd-4214-4f0d-bb54-3b242b5f6340/kroger_blood_pressure_monitor_error_3.pdf
  • https://uploads.strikinglycdn.com/files/3e9681c7-caa0-4043-9b3b-35f39b282b1d/gukanubusitexabigineral.pdf
  • https://29aa9d28-cc9d-45fc-8d86-3718b5881c84.filesusr.com/ugd/74c34a_d341af7ca7544ee4a028a71c062d5d71.pdf?index=true
  • https://uploads.strikinglycdn.com/files/9dc62c7f-df74-45cb-a1ab-86fe6f449611/petit_prince_chapitre_19.pdf
  • https://580b68e3-2104-4118-ae5b-4f285de1c062.filesusr.com/ugd/dad7b5_e96bf61f8015476a85458236020fa5ff.pdf?index=true
  • https://s3.amazonaws.com/jiwisi/ge_wall_telephones.pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://scripts.sil.org/OFL

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