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://ttraff.link/123?keyword=seymour+middle+school+wi In PDF document text

  • https://nudopimiga.weebly.com/uploads/1/3/1/0/131070212/29d97.pdfIn PDF document text
  • https://razesupimo.weebly.com/uploads/1/3/2/8/132815812/buputopipesok-vogagisereri.pdfIn PDF document text
  • https://zisokilusativ.weebly.com/uploads/1/3/2/3/132303079/sufujomat-mifemepov-zasitobomimegir.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383444/normal_5f910163b20d2.pdfIn PDF document text
  • https://rokumetusemep.weebly.com/uploads/1/3/4/3/134382705/jutonedun-timiput-misanex-jabupelom.pdfIn PDF document text
  • https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/7989682.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411501/normal_5f957203e3d2b.pdfIn PDF document text
  • https://vikumeniwexawud.weebly.com/uploads/1/3/0/9/130969440/99edaf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387701/normal_5f909eb3256fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385847/normal_5f8d66d57cfff.pdfIn PDF document text
  • https://dopuxaponaxu.weebly.com/uploads/1/3/2/6/132695391/visosazaxojot_tabug.pdfIn PDF document text
  • https://lowizozexide.weebly.com/uploads/1/3/0/7/130776176/mepolulugoguxo-xunij-furawikog.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382779/normal_5f92f980aa615.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009323.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009323.bin)
  • https://uploads.strikinglycdn.com/files/6539e17c-7cfe-49e6-a692-24b539be8bc0/tagideb.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f83ea15c-957a-43fc-969e-14c9079b98ff/64031441199.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4e154f8e-dcd0-49f3-ad37-36f1605558a9/24400543624.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/90ef020f-6ef3-431d-8353-772ed3139f23/mukerugiwojomunatevowo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4474/1024/files/vertical_line_test_y_is_a_function_of_x.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f327a86c-424f-49db-9067-98e2882a2755/desev.pdfIn PDF document text
  • https://s3.amazonaws.com/lodazojamuva/list_of_travel_agents_in_delhi_with_email_id.pdfIn PDF document text
  • https://s3.amazonaws.com/baxegezivumi/b_and_b_tree_in_data_structure.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/4306/4474/files/23765996846.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/vawepumezizopazigapo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8104/7463/files/65022027939.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/8725/0087/files/fozak.pdfIn PDF document text
  • https://s3.amazonaws.com/nimuwet/74398775821.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://dejavu.sourceforge.netIn extracted file (stream_005_off0000cc78.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_005_off0000cc78.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00009323.bin)

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