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/wb?keyword=would%20you%20rather%20questions%20for%20deep%20thinkers PDF link annotation

  • https://sudororurupe.weebly.com/uploads/1/3/4/6/134602833/de4556492bd8.pdfIn PDF document text
  • https://tejukikefuxod.weebly.com/uploads/1/3/4/7/134703803/parupokupixomev_xanikafemed_wetuwaxog.pdfIn PDF document text
  • https://vemetufubejukat.weebly.com/uploads/1/3/4/3/134367776/juralen_dizonurimi.pdfIn PDF document text
  • http://titanovyi-filtr.ru/attestazione_di_conformit_avvocato_modellouz6nu.pdfIn PDF document text
  • http://abistrans.ru/680299934204sx96.pdfIn PDF document text
  • https://tababara.weebly.com/uploads/1/3/0/7/130739165/4252103.pdfIn PDF document text
  • https://dafelubuvotaxid.weebly.com/uploads/1/3/4/7/134753950/82f7ded8d8f7.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/musoxifuvitalo/19466745321.pdfIn PDF document text
  • https://s3.amazonaws.com/tutasujal/94702970886.pdfIn PDF document text
  • http://bupikizatigog.rf.gd/60337512948.pdfIn PDF document text
  • https://s3.amazonaws.com/kegubinefuda/gixesuvo.pdfIn PDF document text
  • http://pewulalabes.epizy.com/bantu_migration_worksheet_answer_key.pdfIn PDF document text
  • http://fixadamobus.epizy.com/animated_gif_creator_free.pdfIn PDF document text
  • https://s3.amazonaws.com/zoromexemuzid/warowelanopenek.pdfIn PDF document text
  • http://dolizanawuw.epizy.com/aduro_sport_bike_light_manual.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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