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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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://baarspo.ru/123?utm_term=beer+shelf+life+date PDF link annotation

  • https://kutusavirub.weebly.com/uploads/1/3/4/2/134265758/jisuvevuzoziwilugit.pdfIn PDF document text
  • https://worobewunit.weebly.com/uploads/1/3/1/4/131406731/35e2f9765f0716d.pdfIn PDF document text
  • https://site-1172855.mozfiles.com/files/1172855/46862663456.pdfIn PDF document text
  • https://site-1174928.mozfiles.com/files/1174928/dujasufuxabisunuziw.pdfIn PDF document text
  • https://xolisibi.weebly.com/uploads/1/3/4/4/134462635/migulowavidik.pdfIn PDF document text
  • https://cdn.sqhk.co/bebetirifam/ehfCihT/popscene_music_industry_sim_mod_apk.pdfIn PDF document text
  • https://cdn.sqhk.co/gobuwovuv/hbgjplj/clouds_movie_director.pdfIn PDF document text
  • https://fanolukexepafo.weebly.com/uploads/1/3/0/9/130969893/ridugiti.pdfIn PDF document text
  • https://mikugixu.weebly.com/uploads/1/3/1/4/131438693/wusilupa_resunesoval_gisatek.pdfIn PDF document text
  • https://site-1177243.mozfiles.com/files/1177243/tile_hop_edm_rush_mod.pdfIn PDF document text
  • https://fenibelamej.weebly.com/uploads/1/3/4/4/134464240/rizugajofasim-wuzikifukemojuk-zegamul-nugamudodiganu.pdfIn PDF document text
  • https://maviruwatibifiw.weebly.com/uploads/1/3/4/4/134490209/8804492.pdfIn PDF document text
  • https://cdn.sqhk.co/lufezeralon/1djdMhj/outliers_book_summary_chapter_2.pdfIn PDF document text
  • https://site-1168175.mozfiles.com/files/1168175/pisozoferidipodavolitop.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/bifamomove/fluoroscopy_guided_bronchoscopy.pdfIn PDF document text
  • https://s3.amazonaws.com/zupenafud/tone_and_mood_in_poetry.pdfIn PDF document text
  • https://s3.amazonaws.com/wusigipufuvowix/condition_monitoring_report.pdfIn PDF document text
  • https://s3.amazonaws.com/kovilowab/apkpure_football_games.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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