Malicious PDF — malware analysis report

Heuristics 6

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LURE
  PDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
• 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.
• 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://yafferge.ru/strik?utm_term=best+sat+math+prep+book+2019 In PDF document text

  • http://mekuwomusaxonod.22web.org/49852325070.pdfIn PDF document text
  • http://koteyarn.moscow/key_concept_2.2_the_development_of_states_and_empires_quizletic56p.pdfIn PDF document text
  • http://tersq.space/relaxing_music_2020_app15vzx.pdfIn PDF document text
  • http://godulonu.22web.org/boxuvaxa.pdfIn PDF document text
  • http://loginwithfb.site/90015212062v0gdv.pdfIn PDF document text
  • http://civiliscmq.online/fexejadireajzob.pdfIn PDF document text
  • http://vzroslyh.net/trio_axs_4gyad3y.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/2461a817-0868-4253-93c3-705813f2f830/how_to_say_commedia_dellarte.pdfIn PDF document text
  • http://vokamaluxofom.epizy.com/histology_and_histopathology_case_report.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/724cd794-3019-4ff0-8578-1056520ff2b1/wentworth_by_the_sea_restaurant.pdfIn PDF document text
  • http://muxoduxomupaja.epizy.com/dremel_4200_collet_change.pdfIn PDF document text
  • https://6440a9f6-5e82-4153-977b-4ffe9374ec4a.filesusr.com/ugd/7182f3_c21bbbdbbb374a3c9f8538a352a337c8.pdf?index=trueIn PDF document text
  • https://755d026c-fd58-4633-9ca9-8af24261f473.filesusr.com/ugd/4622eb_f9a213ae92824af0b80e0b44f5c029a6.pdf?index=trueIn PDF document text
  • https://f6e2a16f-d004-42cd-8f17-0463e090774c.filesusr.com/ugd/c70c35_8912480a6da34fd48dad912caf05f4bc.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/80d716ad-a663-4194-b427-f5ce9caecd2a/xexozurimuloxuwefubufu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6fe5da38-d12d-4f7b-b9f7-1250f73cb91a/norton_anthology_of_american_literature_shorter_9th_edition_vol_1__2.pdfIn PDF document text
  • http://fopekexu.epizy.com/brand_guidelines_logo_positioning.pdfIn PDF document text
  • https://4e4301d6-cc9a-4939-960a-6b497c1efea6.filesusr.com/ugd/d78803_7e364969ee1444ef913f2ea46ef1e298.pdf?index=trueIn PDF document text
  • https://3d3b31fc-6152-41c7-b1d4-a4af3afcce63.filesusr.com/ugd/3f8d85_4762580c0d8849be85cab07523f45806.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/2487661d-2cae-4977-9281-93c0c9a7571f/acurite_meat_thermometer_00994w_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e82c114d-0645-4cd6-9ef6-5a8a38b9a900/norton_anthology_of_poetry_5th_edition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/00a8e8ad-c662-46ca-9111-29b34416ade1/tezuje.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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