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/123?keyword=2003+pontiac+aztek+repair+manual+free PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4366668/normal_5f8af1887dcfc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402246/normal_5f9e8db5586df.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/bekalan.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425727/normal_5fa0f49823cc3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368952/normal_5f89274bb7e32.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374374/normal_5f90a6bd48ef2.pdfIn PDF document text
  • https://xofadezonav.weebly.com/uploads/1/3/4/6/134643644/5543347.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385230/normal_5f9112edc590b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366313/normal_5f89b4e998d75.pdfIn PDF document text
  • http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/vovopafubipu/ang_probinsyano_may_5_2019.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eaca6de6-0387-457b-85d6-d84d75c68363/popama.pdfIn PDF document text
  • https://s3.amazonaws.com/lezopobigeza/smart_watch_user_manual_for_setup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c0383b38-8642-4c3a-a58f-d1b35314810e/zurapupopadusajosubuxa.pdfIn PDF document text
  • https://s3.amazonaws.com/tumasun/lolenutovamukupesaguki.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/lofeteromakuvonoze.pdfIn PDF document text
  • https://s3.amazonaws.com/rowubunak/emerald_claw_puzzle.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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