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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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=electron+configuration+of+carbon+monoxide In PDF document text

  • https://sumulejuno.weebly.com/uploads/1/3/4/3/134361372/8239072.pdfIn PDF document text
  • https://remewizefo.weebly.com/uploads/1/3/1/8/131856163/a37a873d1e47.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375340/normal_5f930c926fac9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379837/normal_5f8db33f88da3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386079/normal_5f8fec5e85351.pdfIn PDF document text
  • https://koworuvixoduto.weebly.com/uploads/1/3/4/3/134352933/0e5573c77e337.pdfIn PDF document text
  • https://naletonuve.weebly.com/uploads/1/3/4/3/134381452/7903534.pdfIn PDF document text
  • https://bevatisaxotel.weebly.com/uploads/1/3/4/3/134378436/5530051.pdfIn PDF document text
  • https://lokixesope.weebly.com/uploads/1/3/1/6/131607163/juvol.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000071c5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000071c5.bin)
  • https://s3.amazonaws.com/xanebavifamopez/lovol.pdfIn PDF document text
  • https://s3.amazonaws.com/fowikorejodi/britannica_encyclopedia_2010.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/17829429826.pdfIn PDF document text
  • https://s3.amazonaws.com/rezugekolaba/bleach_baths_rch.pdfIn PDF document text
  • https://s3.amazonaws.com/gotenukevepunin/52476851330.pdfIn PDF document text
  • https://s3.amazonaws.com/nalifij/bepodakonitenasolasa.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/genetics_from_genes_to_genomes_6th_edition.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/1791/6575/files/budget_tool_app_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/1524/8293/files/67802135019.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1068/6615/files/vutasogajaru.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_off000071c5.bin)

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