Malicious PDF — malware analysis report

Heuristics 5

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://trafffi.ru/strik?keyword=bullet+force+download+apk PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4374688/normal_5f98bfc55f03a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365541/normal_5f88986eef0fd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366666/normal_5f87a9b91691f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407988/normal_5fa033dfd6146.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366041/normal_5f876f606721e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408864/normal_5f978bdf69569.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369779/normal_5f9aab08e1275.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368228/normal_5f89f550ece1d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401732/normal_5fa37cbe3dbb9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4443804/normal_5f9de7db195d0.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/0cce52b3-7d7d-4afa-95a9-64d4fe78cc16/59016653024.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8b9e686d-ccfa-442e-b2da-013ca8046d5b/husky_pressure_washer_2200_psi.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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