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://mezovuduw.ru/strik?utm_term=what+was+the+biggest+bushfire+in+western+australia

  • http://zesegalos.scienceontheweb.net/gagodenogam.pdf
  • http://zoguponuwuxoli.medianewsonline.com/difference_between_fat_soluble_and_water_soluble_vitamins.pdf
  • http://zaralutodunuwa.66ghz.com/is_donkey_kong_64_on_wii_u.pdf
  • http://baliferifopiz.mypressonline.com/cdc_malaria_treatment.pdf
  • http://tuzirawejaw.mypressonline.com/how_to_buzz_cut_fade_at_home.pdf
  • http://kunujunekedi.mygamesonline.org/kidevenuruwubixud.pdf
  • http://mufinofol.scienceontheweb.net/data_mining_and_knowledge_discovery.pdf
  • http://www.ascendercorp.com/
  • http://www.ascendercorp.com/typedesigners.html
  • https://3a00e800-a8eb-44ae-aafc-ae9aecab8e06.filesusr.com/ugd/1715bf_ec59aafa250f4a5980cb0243fe284f5a.pdf?index=true
  • https://12c9c681-cafc-4f88-93da-cb6f471fd49a.filesusr.com/ugd/f09a9d_8f966a6f1a09469499dff81cc0d3cd64.pdf?index=true
  • https://a7ed8af5-5e4a-4eaf-98d7-51655494ca15.filesusr.com/ugd/b5c45a_d95c70c6f9924a45880dd8a24a60dba4.pdf?index=true
  • https://6baea7ca-81e4-4a11-8410-716433a99462.filesusr.com/ugd/764aaa_f8ba7cf0549241cb92f423f966b7363b.pdf?index=true
  • http://jewowokadow.rf.gd/17270241743.pdf
  • http://jutagejefutix.atwebpages.com/srs_airbag_system.pdf
  • https://8eccd3b7-fb20-4588-a5b5-4d8c58591879.filesusr.com/ugd/0e6328_800213bea7e14ac2a41e4da2484ca35c.pdf?index=true
  • http://vewawisu.onlinewebshop.net/chapter_3_maths_class_11_download.pdf
  • https://ad646471-8556-449a-8150-55a6f6ff724f.filesusr.com/ugd/7a1c5b_d2b9c5274f334a91aef644862d4325e7.pdf?index=true
  • https://43081b45-6e48-4b43-b724-9328fda377ae.filesusr.com/ugd/26481d_f0e8d0b13ff84ccabb883ab7aebbf691.pdf?index=true
  • http://rexefobixavater.myartsonline.com/anemia_in_elderly.pdf
  • http://buzanuziti.myartsonline.com/introduction_to_computation_and_programming_using_python_third_edition.pdf
  • https://041aa876-b65b-432c-96c0-58c8b295a4e4.filesusr.com/ugd/90d19e_dcd955f45f8040ef8742c7bf9f3fb05f.pdf?index=true
  • 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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