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://coretry.ru/pbw?utm_term=coursera+machine+learning+lecture+notes+pdf PDF link annotation

  • https://gikanirirexenad.weebly.com/uploads/1/3/0/7/130776133/taritidodi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376610/normal_6014e5f1cf8eb.pdfIn PDF document text
  • https://nitavadokeja.weebly.com/uploads/1/3/1/1/131163909/kejukilew_losikored.pdfIn PDF document text
  • https://desalipi.weebly.com/uploads/1/3/2/6/132681317/jomezino.pdfIn PDF document text
  • https://mazanotofubemiz.weebly.com/uploads/1/3/2/6/132681192/d77992.pdfIn PDF document text
  • https://sakenudawajaka.weebly.com/uploads/1/3/4/5/134595508/bowuvavilobapet.pdfIn PDF document text
  • https://pesegomogela.weebly.com/uploads/1/3/4/7/134700410/divasukada.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4428062/normal_6010128945c8c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446165/normal_60610a741388f.pdfIn PDF document text
  • https://sokamokijajupi.weebly.com/uploads/1/3/5/3/135348419/d66adedacff848.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446915/normal_604d3d8db29ef.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4475016/normal_6004d943828c2.pdfIn PDF document text
  • https://jitugexe.weebly.com/uploads/1/3/0/9/130969989/feniz.pdfIn PDF document text
  • http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://pulixojesu.pbworks.com/f/difference_between_inductive_and_deductive_reasoning_in_economics.pdfIn PDF document text
  • http://gonumutat.pbworks.com/w/file/fetch/144494280/year_3_maths_paper.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e7dceb8-ab39-4928-a3da-3f247cd6713a/58901362742.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/083f5e4c-8c96-403f-bc6d-84e74f52cbb1/advanced_engineering_mathematics_with_matlab_third_edition_duffy.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e18fc200-bc97-4b71-8ae2-859815c8ba9d/what_is_the_main_point_of_the_cask_of_amontillado.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eed3ebd4-b05a-484e-81de-b57cd57a11fb/zopireludenasisedi.pdfIn PDF document text
  • http://gapufipi.pbworks.com/f/gender_trouble_judith_butler_chapter_1_summary.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4dca65a9-1b71-4441-b99d-831523adcd1a/pusezozukugitogabo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/70fce5b0-1854-437e-bbc1-ebb3738750b1/how_often_should_i_replace_my_keurig_water_filter.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bab67bcf-71f0-4740-bb5f-005088f72372/wogasinulegunujoreko.pdfIn PDF document text
  • http://cs229.stanford.edu/materials.htmlIn 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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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