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=redundancy+analysis+microbiome In PDF document text

  • https://s3.amazonaws.com/rexogeguxosix/40980176863.pdfIn PDF document text
  • https://s3.amazonaws.com/bulozor/solving_quadratic_equation_by_quadratic_formula_worksheet.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382194/normal_5f90f1bfc05c1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366018/normal_5f871afd0001d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368949/normal_5f8a83c03bd12.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384318/normal_5f908fda012d0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421612/normal_5f97a07381517.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/74709586439.pdfIn PDF document text
  • https://s3.amazonaws.com/gavexilatuvitaz/lojusujejubo.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/algorithmic_trading_chan.pdfIn PDF document text
  • https://s3.amazonaws.com/zaxuledo/bmtc_bus_route_map.pdfIn PDF document text
  • https://s3.amazonaws.com/zosevid/advanced_sorting_algorithms.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006df4.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006df4.bin)
  • http://www.daltonmaag.com/In extracted file (font_03_sfnt_off0000b830.bin)
  • https://cdn.shopify.com/s/files/1/0499/8837/0582/files/kedixotagubonuzesufosuwat.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/9462/5441/files/history_of_organizational_psychology.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/9362/2429/files/graco_car_seat_booster_convert_instructions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d3976d82-df6b-4fa3-ad73-4c5553165c8f/gafixu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cafdd67e-66b1-499d-9a94-2d7b9a08a0a2/8426458632.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b496a4b9-654e-4953-b0b4-00a96d1cd008/lozofeditun.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 extracted file (font_00_sfnt_off00006df4.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000a393.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000a393.bin)

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