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://trafftec.ru/aws?keyword=mr+knightley+quotes PDF link annotation

  • https://zikenanevo.weebly.com/uploads/1/3/4/5/134589255/nebobaso_noxelabaxoseg.pdfIn PDF document text
  • https://biwugina.weebly.com/uploads/1/3/1/1/131163984/698832d9.pdfIn PDF document text
  • https://wumunelopilum.weebly.com/uploads/1/3/4/3/134395902/9446493.pdfIn PDF document text
  • https://baxolelal.weebly.com/uploads/1/3/4/6/134625426/9048420.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/zonebon/florida_driver_license_handbook_2015.pdfIn PDF document text
  • https://nobanopovij.files.wordpress.com/2020/11/94756949957.pdfIn PDF document text
  • https://davonezoman.files.wordpress.com/2020/11/ms_subbulakshmi_suprabhatam_mp3_down.pdfIn PDF document text
  • https://s3.amazonaws.com/sikuva/jj_smith_10_day_smoothie_free.pdfIn PDF document text
  • https://gupebizew.files.wordpress.com/2020/11/niwuxixi.pdfIn PDF document text
  • https://s3.amazonaws.com/rimejiguvif/word_start_with_letter_a.pdfIn PDF document text
  • https://s3.amazonaws.com/vixuwogetiv/ninawez.pdfIn PDF document text
  • https://s3.amazonaws.com/susonanezaj/541529892.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/lean_in_sheryl_sandberg_book.pdfIn PDF document text
  • https://barujug.files.wordpress.com/2020/11/7951055373.pdfIn PDF document text
  • https://s3.amazonaws.com/jeduzizonox/26581028847.pdfIn PDF document text
  • https://s3.amazonaws.com/mefovu/26653765106.pdfIn PDF document text
  • https://wenivojurose.files.wordpress.com/2020/11/gutevitomekinajatadaniza.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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