Malicious PDF — malware analysis report

Heuristics 4

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://traffking.ru/aws?keyword=copper+air+fryer+basket+recipes In PDF document text

  • https://cdn-cms.f-static.net/uploads/4450427/normal_5fa610edf1d81.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375509/normal_5f8964855b02c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380411/normal_5f9b92ec86bc1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426944/normal_5f9fe6360511f.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/lekizopiloref/uconn_stem_career_fair_2019.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/837b356b-1346-4a6f-9a27-72bcd097b3d5/lewis_structure_for_hso3.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a1c3fbc6-bea8-43a1-918a-b0e9f4a0800c/47049597207.pdfIn PDF document text
  • https://mutozofe.files.wordpress.com/2020/11/65548376527.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29883462-1fdb-4b3c-b57a-ccef68afe518/berliner_platz_1_neu_answers.pdfIn PDF document text
  • https://sexonilapaxo.files.wordpress.com/2020/11/52620415531.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/211966ea-0b70-4655-936c-623667d2ee92/89654207018.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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