Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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://cctraff.ru/aws?keyword=exercicios+variedades+linguisticas+pdf In PDF document text

  • https://tiposowa.weebly.com/uploads/1/3/1/1/131164246/jufixobevexoji.pdfIn PDF document text
  • https://latijazaw.weebly.com/uploads/1/3/4/3/134312978/683200c9ff.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/novovuxosijuzuz_wofabunutigepuw_dugulelura.pdfIn PDF document text
  • https://wetuxabo.weebly.com/uploads/1/3/0/8/130873937/veloledi.pdfIn PDF document text
  • https://jaserasozupog.weebly.com/uploads/1/3/1/4/131454215/9740082.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390051/normal_5f8ea60288693.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369802/normal_5f88b4c89d956.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366377/normal_5f909cbc1b77f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365607/normal_5f874309530cf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368762/normal_5f887f73d6084.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/rotesojelunemiroto.pdfIn PDF document text
  • https://lagafuxomip.weebly.com/uploads/1/3/4/3/134347440/pawexugopelalo_minesulug_gonetelakifun_vavuzuxibu.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/dekegu.pdfIn PDF document text
  • https://gemaxudemaxepeb.weebly.com/uploads/1/3/1/0/131070646/010f035b21e9f.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000d379.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000d379.bin)
  • https://s3.amazonaws.com/julaxel/felajiwelezokewifemu.pdfIn PDF document text
  • https://s3.amazonaws.com/bededuxotulapil/mejorusupozipadesubileki.pdfIn PDF document text
  • https://s3.amazonaws.com/nitatotol/aleksandr_dugin_books.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/bexepuzikunevefudijexu.pdfIn PDF document text
  • https://s3.amazonaws.com/divexikav/terapia_poznawczo-_behawioralna_wiczenia.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a2cac646-c959-46be-89b9-ac7f3475639d/41347882454.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a5c5384-0c2a-4f2c-b1bf-2c3a3204de33/tiladotune.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4e14b6bf-36b3-439f-b63c-5bb0a6e2df8e/gitigibedejarepigok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7aa6038b-9b7a-4b3e-ac0d-500edfc77833/40949455229.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f5fbb209-40e5-48ac-8d84-75011be6e630/notiwuwewoperesipefofetop.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8202732-b6cb-49cf-8fab-79195435e658/32467294935.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bba37c15-2ef7-47cb-993b-f07d792c75e6/15315841402.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/223135f2-deb0-4752-a955-1b110fd4a645/57451423777.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1959ee56-1858-4daf-b02a-7d5bb897f0f0/glencoe_biology_2012.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 extracted file (font_00_sfnt_off0000d379.bin)

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