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://cctraff.ru/aws?keyword=all+india+survey+on+higher+education+2016-+17+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4412762/normal_5f9447accf4af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380393/normal_5f925c0f5e496.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/6d5389b70c5c20.pdfIn PDF document text
  • https://bizetuxerupa.weebly.com/uploads/1/3/0/8/130873791/4530131.pdfIn PDF document text
  • https://wibugosavuzatug.weebly.com/uploads/1/3/4/3/134349607/14790.pdfIn PDF document text
  • https://funebaxap.weebly.com/uploads/1/3/4/3/134399245/8678814.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367289/normal_5f8a022238cfa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370294/normal_5f88260fb5e17.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380522/normal_5f8b8fe45c76b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405184/normal_5f917f75aea85.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007596.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007596.bin)
  • http://fedorahosted.org/lohitIn extracted file (font_03_sfnt_off0000bd45.bin)
  • https://uploads.strikinglycdn.com/files/8ed8d5c1-f577-4018-af8b-731ef64949c4/15274306305.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/274854a5-5c22-450a-93a5-e154e9da99d7/oraciones_compuestas_ejercicios_resueltos.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae1269ab-7486-4894-b792-f17e30298821/57330253306.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e722dae-c7cd-41fb-9377-d13840d5dbe4/northern_vermont_university_microsoft_word_download_os_x.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/livro_capites_da_areia_em.pdfIn PDF document text
  • https://s3.amazonaws.com/wexoteluwag/39369979623.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/62398220782.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/becoming_a_technical_leader_an_organic_problem-_solving_approach.pdfIn PDF document text
  • https://s3.amazonaws.com/lejivugeleguwod/tifuvofujojonozuteji.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4828/7904/files/second_star_to_the_right_peter_pan.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0023/3636/files/fennec_fox_for_sale_uk_2018.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3900/6113/files/manual_qlab_3_espaol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/0612/7003/files/lee_kwang-soo_girlfriend_2020.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_off00007596.bin)
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn extracted file (font_01_sfnt_off00008aa3.bin)
  • http://www.gnu.org/copyleft/gpl.htmRegularIn extracted file (font_01_sfnt_off00008aa3.bin)

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