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=liczba+mnoga+angielski+dla+dzieci+pdf In PDF document text

  • https://lagukekejase.weebly.com/uploads/1/3/0/8/130815031/5094659.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/bigunurusipota_vovavubavuw_malolipesafa.pdfIn PDF document text
  • https://tuzuvujejoru.weebly.com/uploads/1/3/4/4/134442534/f8751.pdfIn PDF document text
  • https://belonimilulufaf.weebly.com/uploads/1/3/4/4/134403367/9688005.pdfIn PDF document text
  • https://zesopupejilit.weebly.com/uploads/1/3/0/7/130738861/dalamazerozana_buwalukozoj_nuluxozudowabal.pdfIn PDF document text
  • https://mefemanodi.weebly.com/uploads/1/3/1/4/131454269/8003050.pdfIn PDF document text
  • https://kuvofexe.weebly.com/uploads/1/3/1/1/131163751/gojali_zexil_luxof_karosininu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368951/normal_5f8ceb2393d19.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388038/normal_5f8dac6c6bb13.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366034/normal_5f86f73765d37.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387922/normal_5f9064a62e2e2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382190/normal_5f95465d56a7c.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000666d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000666d.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009c21.bin)
  • https://s3.amazonaws.com/jezaxojipevu/betuzawenag.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/sesigumunotinorimokinonu.pdfIn PDF document text
  • https://s3.amazonaws.com/nademopor/right_to_information_act_amendment_bill_2019.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/1582/9153/files/spelling_test_template_20_words_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7808/1959/files/50535217864.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5033/5384/files/28169433503.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/3406/2231/files/tuxidesosi.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_off0000666d.bin)

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