Malicious PDF — malware analysis report

Heuristics 5

• 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://golowaki.ru/award?keyword=hackerrank+solutions+in+c+pdf PDF link annotation

  • https://cdn.sqhk.co/serodozire/aMhgcpF/korofomivenozuzafivupof.pdfIn PDF document text
  • https://famonusowofem.weebly.com/uploads/1/3/4/3/134349488/xumopatum-sobofap-tanov.pdfIn PDF document text
  • https://litodamun.weebly.com/uploads/1/3/4/7/134710511/5359069.pdfIn PDF document text
  • https://cdn.sqhk.co/fogibadeku/hjjdYjj/xovato.pdfIn PDF document text
  • https://lalibirubifo.weebly.com/uploads/1/3/0/8/130873838/dc0e1b8c25.pdfIn PDF document text
  • https://xuvakaxatal.weebly.com/uploads/1/3/1/0/131070170/770787.pdfIn PDF document text
  • https://cdn.sqhk.co/karapazepot/ahcjbuf/pakegepanevadopovure.pdfIn PDF document text
  • https://cdn.sqhk.co/xumesapaxoku/rZukiib/jet_boat_racing_mexico.pdfIn PDF document text
  • https://ximabetewu.weebly.com/uploads/1/3/1/3/131384229/9c1ffb02b02c2bb.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/5844ff62-1ad7-42de-a4e9-d63a77aa673a/puvosinimemeritevil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fec4fcf8-ebf4-4506-b7a0-a6512d46b331/the_day_after_roswell_goodreads.pdfIn PDF document text
  • https://ac614e2c-2e00-43e4-a80f-2c6bce9fb64b.filesusr.com/ugd/f103bb_e3e8f262d71b42148fd7bd4830625853.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/zupenafud/big_fish_grill_riverfront_thanksgiving.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c03672bd-f730-4980-93db-72ba7b054c8e/manual_de_instrucciones_singer_simple_3223.pdfIn PDF document text
  • https://d1897088-ef6e-4b60-8303-910b4b551fc1.filesusr.com/ugd/4cfbbd_dce6332b41264c9792e82d1a4ad13d34.pdf?index=trueIn PDF document text
  • https://356bbf58-84af-4bff-99a9-d03346e46411.filesusr.com/ugd/b5472a_0fccbd78ebf64f87a9c5cad9155540a7.pdf?index=trueIn PDF document text
  • https://0f926834-650c-4d5a-b53c-ad60ae412ccc.filesusr.com/ugd/6a44d8_27d458b76a974ac0a52a66f7cc486571.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/f3cc586e-cb30-49ff-b423-ce525794ba6d/contrato_de_arrendamiento_sencillo_para_imprimir_ecuador.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dac15666-5179-4a4b-854b-4460cdf57167/womowazisexogejet.pdfIn PDF document text
  • https://9387bd13-3746-4408-b474-2867f26e464d.filesusr.com/ugd/ace02d_f1e9adebc75a412fb3f4084cf6b0cfdf.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/jotizifime/kubafevuwilodem.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/38ca85a5-0979-4731-97b4-f84a63bfb214/fivizoxixukopo.pdfIn PDF document text
  • https://s3.amazonaws.com/lolaritemukole/sifoxigetiduxavesodiw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8a36a55d-01ea-4edb-9591-43aeedf4411f/howls_moving_castle_fire_demon_name.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/97913da4-4050-4c43-b21f-978bb9f69845/tree_of_life_holladay_utah.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eeb99771-cbf4-4bff-86db-1edff7c3ee2e/spring_boot_interview_questions_and_answers_for_experience.pdfIn PDF document text
  • https://s3.amazonaws.com/dejolavubukugeb/wofefekodumikomolut.pdfIn PDF document text
  • https://s3.amazonaws.com/lekezaru/kubawigonapimizalitosujo.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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