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://ttraff.me/123?keyword=my+passport+ultra+2tb+review In PDF document text

  • https://sutafufig.weebly.com/uploads/1/3/4/4/134402916/1041616.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/1/0484/0888/7454/files/68731223719.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/6075/4592/files/modern_world_history_b_v_rao.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/8905/0813/files/sharp_knives_for_sale.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4414/1218/files/sony_dpt-rp1_reader_and_digital_notepad.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/85693f9c-f2c4-4a87-a8a6-e3beff078427/82472638997.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/3227/0789/files/si_clauses_spanish_practice_quiz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8574/9151/files/google_sites_blog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/46f4de90-e8b2-4b88-bff0-d25536771488/nojuxidor.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dfabb580-1e0b-4ac2-b6bc-aa7260066472/monologue_from_into_the_woods.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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