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/pify?keyword=wera+torque+screwdriver+instructions In PDF document text

  • https://cdn-cms.f-static.net/uploads/4371244/normal_5f88c6ff8479e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366661/normal_5f8724a8e1650.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382966/normal_5f8e38eade0a4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404723/normal_5f9182e697971.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383916/normal_5f95f94c3c3af.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005576.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005576.bin)
  • https://cdn.shopify.com/s/files/1/0470/0022/3896/files/rizuwogatetumamigarojifob.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/2185/2582/files/moto_g4_plus_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/1856/5278/files/xekewe.pdfIn PDF document text
  • https://s3.amazonaws.com/paropabaru/71701502648.pdfIn PDF document text
  • https://s3.amazonaws.com/xurixado/blood_circulatory_system_in_human_body.pdfIn PDF document text
  • https://s3.amazonaws.com/nezanurugega/beira_alta_menu.pdfIn PDF document text
  • https://s3.amazonaws.com/penefelomiju/acrobat_reader_concatenate.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c24a6f07-8267-4ebb-a303-d1e841ab9a8b/budolujelorapafiwemokuke.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c4617e4e-7723-4e79-b6fe-eac39a22e67a/fibiropobudikozubunax.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8c932d3d-bcb3-429a-952b-e72374989673/68877548899.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cb8c12e4-5c67-48e1-af9b-3b13bead126a/regebaxuxuluwufaz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f940712e-52fb-4f2d-942b-525bbd0f4d6b/1221566062.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/display_system_and_anthropometric_data.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/baeyer_villiger_rearrangement.pdfIn PDF document text
  • https://s3.amazonaws.com/senodiw/calendario_noviembre_2019.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6001b980-6d85-429b-b248-8ad4c9cbe69d/6569400516.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a990847-2a44-4771-8b3a-cc91f0c41b03/17828808413.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/031e7065-e83c-4e5d-9b78-4567351e1633/letativobanowabi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1dae3d32-b991-41c0-b08b-566ce520fb6e/2005_toyota_corolla_fuel_pump_wiring.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_off00005576.bin)

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