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/wb?keyword=tetris%2099%20unblocked PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4367905/normal_5f9d779303f16.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382197/normal_5fa4138234d31.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366055/normal_5fa20d7f3f1f3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4454436/normal_5fa2d181dbc99.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387229/normal_5f9b24ad4d4e8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391903/normal_5f8f05167470d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369768/normal_5f884dd1c509e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415546/normal_5f98cf0c1444a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409411/normal_5fa14aa727e7d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387224/normal_5fa0ede79bba0.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0463/1802/6917/files/osrs_pure_guide_reddit.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/2546/2971/files/word_book_download.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/gopibofijuwudevevuzixof.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/basel_norms_1.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/aerated_autoclaved_concrete.pdfIn PDF document text
  • https://s3.amazonaws.com/woxojuxafopuv/ace_family_charity_event_live_stream_2019.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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