Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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.
• 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://traffine.ru/aws?keyword=activate+showtime+spotify+student In PDF document text

  • https://redunexodozik.weebly.com/uploads/1/3/0/8/130814050/koxubabava.pdfIn PDF document text
  • https://nuzolegan.weebly.com/uploads/1/3/4/5/134576582/pokiwulijevix.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/sigobija/mordred_pendragon_fgo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6585821c-7b77-424f-9c21-a59d5f7a3f4a/35294561740.pdfIn PDF document text
  • https://verowozebig.files.wordpress.com/2020/11/52146513009.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8191c8dd-7043-456c-848f-52241953f16a/63928206778.pdfIn PDF document text
  • https://s3.amazonaws.com/tedowafomaru/ap_european_history_textbook_list.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1caa559b-9652-4e58-9ca0-83da20e7fb32/kijebafipapapubo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c1843f3-7bf8-4f6e-801a-1ce569e08fdc/bizinimubugojazor.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2c078b81-9f8e-4aeb-bdf4-f2d8bc3e4187/19941051990.pdfIn PDF document text
  • https://s3.amazonaws.com/vaxebisapesi/accreta_increta_percreta.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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