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://zajinet.ru/strik?utm_term=guia+me+divierto+y+aprendo+5+grado+contestada+pdf PDF link annotation

  • https://mufuxavezefajox.weebly.com/uploads/1/3/4/4/134497947/nowetidolulejitanevi.pdfIn PDF document text
  • https://jebezowurexa.weebly.com/uploads/1/3/4/5/134576847/jutogune-davorakoxod-texerivog.pdfIn PDF document text
  • https://zufopawel.weebly.com/uploads/1/3/4/4/134462865/ed8a50c63e258f.pdfIn PDF document text
  • https://kagamufoxigog.weebly.com/uploads/1/3/4/0/134013308/6348867.pdfIn PDF document text
  • https://purusoze.weebly.com/uploads/1/3/4/4/134495244/zufurenew_giwimomanosew.pdfIn PDF document text
  • https://timurikamaz.weebly.com/uploads/1/3/1/4/131406182/bekezenuzusexof.pdfIn PDF document text
  • https://kinamolifurepe.weebly.com/uploads/1/3/2/7/132710726/rovumoguf_turibisutamufe_jopifujaxiraka.pdfIn PDF document text
  • https://jutifakakunule.weebly.com/uploads/1/3/5/9/135985430/6818353.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/e4860efa-3e5b-4e5f-9b3c-a853ba1fe88a/kuvabugegolinadimiloka.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2eecfd5c-d8da-4b0d-a485-5d292688a9be/maytag_bravos_xl_washer_error_code_sd.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/928f8c89-de27-4fe8-b42e-8302af7b4716/4l80e_valve_body_removal.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28924220-764d-46db-89c5-1620776a81a5/86987848104.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e11510c6-f1fc-4339-91ac-d1e126710b5a/the_blind_side_movie_trailer.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/89498f1e-1ed7-490e-8af0-e2184e871ab1/what_is_the_rule_for_adding_and_multiplying.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/428534a2-6650-4230-9137-2c3018e84d19/how_the_grinch_stole_christmas_script_jim_carrey.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/41be6ee1-c84d-4de3-89b2-3fd3fdc9b178/xepirizumukonureripe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/841cb678-63af-444f-95f6-ae786ddf0c50/17802640015.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e5ed04a8-ee3d-43ea-8086-f59c56070b2a/26626844903.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/42eac67c-4886-4d47-ab3f-8b8ba9ec9919/emil_and_the_detectives_national_theatre.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d906bd80-593f-4ebc-a0a3-ca13a75d46b6/how_to_buy_an_adjustable_bed_frame.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
  • 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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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