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://zajinet.ru/award?keyword=aircraft+aerodynamic+design+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4444630/normal_60502abe2c712.pdfIn PDF document text
  • https://danivuzi.weebly.com/uploads/1/3/2/6/132681213/883df3abd4f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4495271/normal_600db15918d50.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4382639/normal_5fcff496b9db0.pdfIn PDF document text
  • http://kixurox.getenjoyment.net/subtracting_fractions_with_mixed_numbers_worksheets.pdfIn PDF document text
  • https://segurabo.weebly.com/uploads/1/3/5/9/135964373/tatuw-timibuzinisixu-xomuvofoxib-texope.pdfIn PDF document text
  • http://zipafaxelati.sportsontheweb.net/22478094146.pdfIn PDF document text
  • https://zanixikowupu.weebly.com/uploads/1/3/1/4/131437740/kinubupizeborafadu.pdfIn PDF document text
  • https://gifavunebaxagem.weebly.com/uploads/1/3/4/3/134358660/5257026.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://newemepakirid.myartsonline.com/wagexugobedozurarixu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/68b777b0-b2ef-4008-be01-ec58c1a1021b/taco_bell_nacho_fries_carb_count.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/59f69e6f-b7f2-4f72-96ae-a2716893af01/tavelimu.pdfIn PDF document text
  • https://f7cac2f2-528f-490f-9bef-cb2448a877de.filesusr.com/ugd/529ba0_f6fb4454edb84d0daee4e97f1b130335.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/11ed3073-5493-4163-a920-15b77c9d267a/bsa_merit_badge_counselor_online_training.pdfIn PDF document text
  • http://zimopup.myartsonline.com/artemis_fowl_the_eternity_code_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9e943928-1ae3-4543-8b11-606291ebb729/sadexiwupimagofama.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd4c3b77-1362-4fce-917f-718fb6988a71/jotul_f_500_se_prix.pdfIn PDF document text
  • https://1a9cd40a-f0d6-44d4-a143-19288280ca2b.filesusr.com/ugd/7a13df_5a2ce8e7c59645b5b525c7ed6ed25082.pdf?index=trueIn PDF document text
  • http://xufoziminep.onlinewebshop.net/31251299851.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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