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://cctraff.ru/strik?keyword=qualitative+and+quantitative+research+definition+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366312/normal_5f87e2f1622e2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365580/normal_5f872f2f597f5.pdfIn PDF document text
  • https://site-1048219.mozfiles.com/files/1048219/34730991774.pdfIn PDF document text
  • https://site-1043850.mozfiles.com/files/1043850/89409346358.pdfIn PDF document text
  • https://site-1040289.mozfiles.com/files/1040289/xiwirefiworetumikologifuz.pdfIn PDF document text
  • https://site-1041862.mozfiles.com/files/1041862/kiwetozap.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/1/0492/3450/9990/files/asurion_affidavit_verizon.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/8593/7818/files/subuga.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8498/1423/files/physical_science_final_exam_study_guide_answer_key.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7fd01e27-6045-4d0a-b3ba-62e063a79a92/32381258164.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e0229515-8c92-4c92-b5a9-494335a27edf/wapepozebanuzomojapu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9e4c9ca0-004c-4a4b-927e-0a40795b3139/zeromorigepipotunapapupi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/17c0703f-bdd3-40bc-8c1b-415d93c60aca/basiposox.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/815720a6-e389-4744-a6f8-13934c988bc1/11269621716.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/0054/8504/files/prealgebra_and_introductory_algebra_3rd_edition.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/1865/8207/files/sowarewujufuratogab.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/3524/7271/files/creflo_dollar_books.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/2005/0855/files/60987758446.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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