Malicious PDF — malware analysis report

Heuristics 4

• 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://trafffi.ru/wb?keyword=realidades%202%20answer%20key%20pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4377407/normal_5fa2f71bb9350.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366014/normal_5f90ba249cbff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421613/normal_5f9e5a30dcc11.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393647/normal_5fa05788bd6b4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367922/normal_5f876013461e1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391327/normal_5f95d7f8cee86.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387031/normal_5f8dde095a269.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379359/normal_5f8f3a12962c8.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/memul/zofolavoredazidorovis.pdfIn PDF document text
  • https://s3.amazonaws.com/serogajugomiji/bundeswehr_dienstgrade_heer.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/78422601561.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/902df028-f6b8-47ea-904e-fc819201fec5/66218273388.pdfIn PDF document text
  • https://s3.amazonaws.com/kagedatabujo/fidexenipubimuv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2eabb6a6-0542-4aab-b7f8-8f8a3a059c04/tajiteke.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3a2cea18-c101-4026-a104-8e5943d7364c/diseo_de_intercambiadores_de_calor_de_coraza_y_tubos.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/20e520fc-64c1-48da-b1b1-05513370307d/ewr_Flughafen_Wetter.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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