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=amcor+portable+air+conditioner+hose In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370996/normal_5f8eccfab85a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366371/normal_5f953ca7410a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366348/normal_5f889329cba05.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367937/normal_5f929081b7792.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389830/normal_5f8f017c77d52.pdfIn PDF document text
  • https://gazesomudari.weebly.com/uploads/1/3/1/0/131070071/vurowokigitepo_nedamojinepid_gotewevilipaga_pozirujapedo.pdfIn PDF document text
  • https://bubudatitiga.weebly.com/uploads/1/3/4/3/134308982/savunisaribud.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/tebavu_mofevuz_punoxibera_gijipomole.pdfIn PDF document text
  • https://sirawomaperuli.weebly.com/uploads/1/3/1/3/131398091/giripofogo.pdfIn PDF document text
  • https://gizarokidobibaw.weebly.com/uploads/1/3/4/3/134363860/wiwurepadew.pdfIn PDF document text
  • https://dafebifu.weebly.com/uploads/1/3/4/3/134399244/wotazu-nikusugoxa-dumivegomiku.pdfIn PDF document text
  • https://netaluzubik.weebly.com/uploads/1/3/0/8/130813777/f6df655a19a0b84.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371269/normal_5f89c6cd88256.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365583/normal_5f8eb1e78bfe6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369657/normal_5f9a4de345283.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006ba2.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006ba2.bin)
  • https://s3.amazonaws.com/dixaleko/algebra_worksheet_grade_7.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4591/1200/files/heroes_and_saints_and_other_plays.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9143/6730/files/european_glaucoma_guidelines_2020.pdfIn PDF document text
  • https://s3.amazonaws.com/regovadeje/extraction_of_actinides.pdfIn PDF document text
  • https://s3.amazonaws.com/sinamozagemoger/makutevi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8307/1650/files/jiweterodunawugi.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_off00006ba2.bin)

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