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://vilenefex.ru/strik?utm_term=hoover+steamvac+dual+v+operating+instructions PDF link annotation

  • https://cdn.sqhk.co/zubuwebofe/h67Dkjb/lomulumuje.pdfIn PDF document text
  • http://teachersaid.fun/formato_certificado_medico_escolar_secretaria_salud_20207aayz.pdfIn PDF document text
  • http://ukranews.icu/blackmail_odia_film_songs_freehah4b.pdfIn PDF document text
  • http://jushq.club/puloguxekogegjieoo.pdfIn PDF document text
  • https://cdn.sqhk.co/pulazapusaw/zicgjjg/26936447017.pdfIn PDF document text
  • https://cdn.sqhk.co/xejudawadoni/irxjhpx/lojumug.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://8319d365-0190-44ee-b2f3-e76f6fd230eb.filesusr.com/ugd/112488_352dfb4c330848fe84b4e9082b8d60ae.pdf?index=trueIn PDF document text
  • https://6d706a39-1f93-4f1a-9423-caccf7e65e71.filesusr.com/ugd/69f91f_a04dbfffe47541a6a938465676830cef.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/b351ccd0-d392-4cc4-802a-663f1f34ac0a/joselog.pdfIn PDF document text
  • https://s3.amazonaws.com/dujepav/multiple_regression_analysis_report_example.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9f783c80-6ff3-4d09-9d99-625c6e0d8080/rebadabudexada.pdfIn PDF document text
  • https://dbba0f06-1911-40f0-8c80-a2638c7f81cc.filesusr.com/ugd/b13fd1_e2360334237347708bfec6f18ddc4b6e.pdf?index=trueIn PDF document text
  • https://e942959e-95af-4115-ab05-a6e38533eaad.filesusr.com/ugd/66f7a0_9cda3dd12db848d6877f3e469bf632c7.pdf?index=trueIn PDF document text
  • https://14535e1a-360a-4d01-a655-fa33e115c80e.filesusr.com/ugd/b222ea_dcb10dc196f943adaebc2e50458aaca2.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/9b31e6fc-539a-4920-a6db-76fcbb133aab/iliad_and_odyssey_main_characters.pdfIn PDF document text
  • https://8eeb1f0a-0cdd-4c66-98a4-83777b49fb54.filesusr.com/ugd/64f9d2_955a19f468c3412da28ac923b7d4d542.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/b976e78e-a6a0-4bca-b5cf-a56ab1b1cab2/where_to_buy_nordic_hot_tubs.pdfIn PDF document text
  • https://f635e5d9-31b1-4f19-b758-7a623be10181.filesusr.com/ugd/6cf0f5_a8c51c865d1044e2a9d15abeb70177ee.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/fobupojowojon/92374793664.pdfIn PDF document text
  • https://s3.amazonaws.com/towakog/year_3_english_worksheets_tes.pdfIn PDF document text
  • https://7e005a1c-fb68-43c1-af83-b854b6a2d282.filesusr.com/ugd/dcfb95_8b2d58c452a946d3bcf5c68b8b49c486.pdf?index=trueIn PDF document text
  • https://58eafb2e-ea74-4523-a1b2-d2e0fe9bfe54.filesusr.com/ugd/466fa0_3ddedf8320fd41f8bfb528c2420b2e70.pdf?index=trueIn PDF document text
  • https://147762ec-90f0-4523-8579-43cb3cd17c82.filesusr.com/ugd/6c48b9_82d52907ed0d4abe9ec1e943045eef45.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/1b2713c8-55b2-4722-b1fa-f51ec38bf139/dante_divine_comedy_book_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/bededuxotulapil/before_we_were_yours_by_lisa_wingate_amazon.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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