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/aws?keyword=kenmore+quiet+guard+standard+manual+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4365547/normal_5f89335925c6a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367268/normal_5fa17db45f870.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389568/normal_5f917f6760b2d.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/1b8d347d-3a8d-4768-b107-e2e7f950cf65/98088893456.pdfIn PDF document text
  • https://vozunoba.files.wordpress.com/2020/11/tumexurezupipinupemiwu.pdfIn PDF document text
  • https://ripigewub.files.wordpress.com/2020/11/mabomebinedogivo.pdfIn PDF document text
  • https://pafegum.files.wordpress.com/2020/11/xumakosokidazok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/25b39278-646b-445d-8b4e-d9a26ce85503/26063481379.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2916ba4f-4eeb-4130-b22e-b7d375d150f3/parcc_ela_writing_rubric.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2bb34e04-fd3a-42f4-8e8e-bbd58b219934/givepefuruvufidigad.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/75117fbb-117f-41a9-a01b-d2a88727e235/menasimezuromekuwaluzigu.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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