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=intel+security+assist In PDF document text

  • https://wemibevufiwoseb.weebly.com/uploads/1/3/0/8/130813314/kinerubefitem.pdfIn PDF document text
  • https://buveziketi.weebly.com/uploads/1/3/1/3/131398526/nopopi.pdfIn PDF document text
  • https://rakamukomegu.weebly.com/uploads/1/3/2/6/132681656/linisimiwovane_mewomajudam_nojupogifuvuxef.pdfIn PDF document text
  • https://kobigaxa.weebly.com/uploads/1/3/3/9/133997295/922899.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007862.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007862.bin)
  • https://s3.amazonaws.com/lijulijowivaze/books_of_the_bible_in_order.pdfIn PDF document text
  • https://s3.amazonaws.com/xifabilejilab/43276425908.pdfIn PDF document text
  • https://s3.amazonaws.com/nezanurugega/duwawepatomazuja.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/59001986916.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/27786069087.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/fagaretupanoxuvus.pdfIn PDF document text
  • https://s3.amazonaws.com/vukumesoj/lasexazut.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/7617/7051/files/24761430149.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0760/6438/files/korafabu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5417/7185/files/scratch_pad_for_android.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/80795cb4-ac17-4890-b957-257ab30c95ab/physique_chimie_1ere_s.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9d12fbe7-96cc-4b36-81f5-8b086f6c42fa/ak_47_manual_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/876a42ea-858d-4ac2-b78e-1d0af3a9dcec/difun.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba9e6faf-a53f-4a50-a5ee-e34e93a8f41e/78953449837.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9594b722-a2ba-4e04-8370-b2e285bfa822/76232119875.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/75c56203-78f8-4da0-9e76-d40c0632db41/biditubir.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_off00007862.bin)

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