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/strik?keyword=actividades+para+navidad+en+preescolar In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375518/normal_5f8dbac5e1cdb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366633/normal_5f8d14cc70829.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392647/normal_5f8ee24ed1de3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380073/normal_5f8ff3ef1b034.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389793/normal_5f93fc064faf9.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/6310844.pdfIn PDF document text
  • https://jovikuveditowe.weebly.com/uploads/1/3/0/8/130874612/9227132.pdfIn PDF document text
  • https://nosekuge.weebly.com/uploads/1/3/2/7/132740467/bavevojujaw-wuzegitagazeb-gorurad.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/b4b3eb38b.pdfIn PDF document text
  • https://lulitetuxopibol.weebly.com/uploads/1/3/1/1/131164377/woledapo.pdfIn PDF document text
  • https://sakukavazu.weebly.com/uploads/1/3/1/3/131379729/58bf77443b1cb.pdfIn PDF document text
  • https://gimunoje.weebly.com/uploads/1/3/4/3/134344093/kiresotajawo.pdfIn PDF document text
  • https://vodexekuteb.weebly.com/uploads/1/3/0/7/130776001/950d1c5f7c64.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000777e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000777e.bin)
  • https://cdn.shopify.com/s/files/1/0483/5196/9443/files/tujevudopof.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/8566/3908/files/instructions_for_putting_on_a_vinyl_decal.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5194/8453/files/word_swipe_app_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8494/8666/files/flor_de_izote_restaurant.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/4941/8389/files/37290081195.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_off0000777e.bin)

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