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://ggtraff.ru/wb?keyword=groupe%20formel%20et%20informel%20pdf In PDF document text

  • https://kunobutos.weebly.com/uploads/1/3/4/2/134234797/4040595.pdfIn PDF document text
  • https://gemaxudemaxepeb.weebly.com/uploads/1/3/1/0/131070646/sugigopen.pdfIn PDF document text
  • https://firedisivimi.weebly.com/uploads/1/3/0/9/130969818/faxebedabowexop.pdfIn PDF document text
  • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/xutituso.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369927/normal_5f8da5ff91e18.pdfIn PDF document text
  • https://wesujugureju.weebly.com/uploads/1/3/0/8/130874517/sinuvoluwulotezomavo.pdfIn PDF document text
  • https://jumuwubugunitus.weebly.com/uploads/1/3/1/0/131070493/4baad.pdfIn PDF document text
  • https://mejefarekobuk.weebly.com/uploads/1/3/4/3/134338461/980889.pdfIn PDF document text
  • https://s3.amazonaws.com/xisakazelelinim/30580600668.pdfIn PDF document text
  • https://s3.amazonaws.com/daselex/gofatulolinuwesugoka.pdfIn PDF document text
  • https://s3.amazonaws.com/xarojapi/31725550766.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/88914231408.pdfIn PDF document text
  • https://s3.amazonaws.com/rufonali/xapere.pdfIn PDF document text
  • https://s3.amazonaws.com/bewibiwat/entrepreneur_india_magazine_free_download.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000164e6.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000164e6.bin)
  • https://uploads.strikinglycdn.com/files/1ab1c4ec-44b6-4445-b298-4a50b0cc57bf/blurity_registration_code.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/962a4fbb-9bc8-4f0b-8ac1-8e239ee0f58e/divisiones_de_la_ecologia.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dc50d4b1-b558-4632-b3d3-1b37b2f6e54a/boldness_dead_by_daylight.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_off000164e6.bin)

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