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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://ggtraff.ru/wb?keyword=determiners%20worksheet%20class%209 In PDF document text

  • https://s3.amazonaws.com/napejaxosinages/megexupise.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/mathematics_for_economists_carl_p._simon_lawrence_e._blume.pdfIn PDF document text
  • https://s3.amazonaws.com/lekizopiloref/wupizonukibaruloriligeve.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368732/normal_5f8f4a08583f3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367275/normal_5f8d1c9fdf173.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388412/normal_5f90531cbac05.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383930/normal_5f933ff7b8a70.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376857/normal_5f92db61ef9b4.pdfIn PDF document text
  • https://fidevawane.weebly.com/uploads/1/3/0/8/130814252/fejilar-gomijigujoxa.pdfIn PDF document text
  • https://xopaluwejur.weebly.com/uploads/1/3/1/8/131857284/godumigone.pdfIn PDF document text
  • https://firedisivimi.weebly.com/uploads/1/3/0/9/130969818/denusubosokaxem.pdfIn PDF document text
  • https://fagisidide.weebly.com/uploads/1/3/2/6/132682833/7428280.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007482.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007482.bin)
  • https://uploads.strikinglycdn.com/files/66c0623a-0ecf-44e5-9380-c39f711f4ec8/99922851840.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/61989976-65e7-4bbd-947a-d42970b9ffc6/chair_yoga_poses.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9053/7373/files/what_is_the_goal_of_daoism.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/4809/9736/files/what_is_marginal_productivity_theory_of_income_distribution.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9510/6741/files/course_2_chapter_8_measure_figures.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0465/9324/5349/files/28552817423.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_off00007482.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000a9e6.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000a9e6.bin)

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