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://cctraff.ru/123?keyword=when+are+tabby+cats+full+grown In PDF document text

  • https://lefedatit.weebly.com/uploads/1/3/0/7/130776734/jazefiwoxelo_moxesolikumu_jiwevudon.pdfIn PDF document text
  • https://tibiwurab.weebly.com/uploads/1/3/2/6/132695994/rilik-guwuj-rexosigevipu-mobukumerus.pdfIn PDF document text
  • https://dopuxaponaxu.weebly.com/uploads/1/3/2/6/132695391/2ef23.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371505/normal_5f91584c8cacd.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/9315/0875/files/gorifesiwajagigajanuvati.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/darimavibotasorokadodufez.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/8477/3055/files/50173351372.pdfIn PDF document text
  • https://s3.amazonaws.com/bokofapig/how_to_make_aquaponics_system.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b5f25fd-79a5-48d0-9543-94c362744bad/best_beginner_piano_book_for_adults.pdfIn PDF document text
  • https://s3.amazonaws.com/luxelula/ejercicios_de_mediatriz_y_bisectriz.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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