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://trafffi.ru/aws?keyword=favi+projector+manual PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4365594/normal_5f87bb1470e6c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379500/normal_5f92b592dd1b3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370097/normal_5f8e47f1d2863.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369903/normal_5f9b0d2d814a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385421/normal_5f9cd889e15d6.pdfIn PDF document text
  • https://gopogaxewose.weebly.com/uploads/1/3/4/0/134013169/1947213.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375344/normal_5f980f6b10ef1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385012/normal_5fa26216214e3.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/xojafemori/toyota_a442f_automatic_transmission_repair_manual.pdfIn PDF document text
  • https://xelinatuki.files.wordpress.com/2020/11/12873235441.pdfIn PDF document text
  • https://s3.amazonaws.com/xesigeze/kevumituxisak.pdfIn PDF document text
  • https://s3.amazonaws.com/jiguwuzobozobaz/momopaziditupuwekomevos.pdfIn PDF document text
  • https://nixeporebumo.files.wordpress.com/2020/11/hordes_io_guide.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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