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://traffset.ru/aws?keyword=ematic+tv+antenna+manual PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4387406/normal_5f8d6ff5e1957.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4424683/normal_5fa6f28912eea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404738/normal_5f93c88460b69.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374984/normal_5f8ee6529175f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413713/normal_5f9ec441defe4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377704/normal_5f8ab6de7edb7.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://kojopog.files.wordpress.com/2020/11/super_restore_vs_prayer_potion.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a1b363ca-dfc7-4271-ab56-222fd1741598/watch_john_carter_online_free_megavi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f2040030-a210-4faa-8539-dc9fdb326c46/dibozekumo.pdfIn PDF document text
  • https://sifetolom.files.wordpress.com/2020/11/naming_aldehydes_and_ketones_worksheet_with_answers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/06364b68-fddc-493c-b70f-48fee86dd464/90621066728.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/12eec1a0-0183-4fd9-8d2b-65ca99f124f2/21353281202.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c3d02b8e-adb9-441a-80b3-4b7d82669c09/breville_bbm800xl_bread_maker_user_manual.pdfIn PDF document text
  • https://felibule.files.wordpress.com/2020/11/povunikilelivu.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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