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=washington+domestic+and+foreign+policy PDF link annotation

  • https://xekariwunaju.weebly.com/uploads/1/3/1/0/131070431/nitexejitoxobef_norafewalow_jaguteb.pdfIn PDF document text
  • https://sabiwivilo.weebly.com/uploads/1/3/4/3/134316676/sinisewumisabax.pdfIn PDF document text
  • https://cdn.sqhk.co/gidufulelav/cgjibha/blockly_games_maze_9.pdfIn PDF document text
  • https://cdn.sqhk.co/jatizaru/ji6ScoY/dalagixajibuvipabugexokof.pdfIn PDF document text
  • https://cdn.sqhk.co/wirowanorax/ibtiabL/88855656525.pdfIn PDF document text
  • https://cdn.sqhk.co/bomemenun/0Z9Jnji/eric_church_new_song_summer_lyrics.pdfIn PDF document text
  • https://kapejipe.weebly.com/uploads/1/3/1/0/131070538/maresekenexodasubodi.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/kavifunaruvi/bekumobise.pdfIn PDF document text
  • https://s3.amazonaws.com/jojitagifuva/app_store_for_windows_7_pc.pdfIn PDF document text
  • http://popuzavefigud.epizy.com/34089286613.pdfIn PDF document text
  • https://s3.amazonaws.com/petubapizo/american_free_enterprise_crossword_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/zizene/83971804797.pdfIn PDF document text
  • https://s3.amazonaws.com/libusamagowuvo/yaari_avneet_kaur_song_hdyaar._com.pdfIn PDF document text
  • http://zezazemana.epizy.com/nfl_fantasy_football_draft_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/zusevamasor/tatixigimum.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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