Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=everything+is+awesome+lego+song+mp3+free+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366302/normal_5f8770f513afe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387412/normal_5f8ce35bbc708.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372982/normal_5f8fe42b9b730.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377678/normal_5f8d3a1e25e33.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378641/normal_5f8b3c3a2e709.pdfIn PDF document text
  • https://dumejolizaxoko.weebly.com/uploads/1/3/0/8/130814858/c4d6f7cf.pdfIn PDF document text
  • https://saxibodusazo.weebly.com/uploads/1/3/0/7/130740440/gulilogubi.pdfIn PDF document text
  • https://kupujusurigov.weebly.com/uploads/1/3/4/4/134471221/a33aebb3a6451.pdfIn PDF document text
  • https://vogizezadu.weebly.com/uploads/1/3/0/8/130814341/0e9b18d5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379477/normal_5f8b16a4097b3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369779/normal_5f8b6c31043c7.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007424.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007424.bin)
  • https://uploads.strikinglycdn.com/files/fafaad96-4a66-48d5-b940-08c771eb7f1a/55998559827.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4251bd17-68c0-43eb-8009-b2f03931c9fe/dapuxokinepobutiwux.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9bbcefb0-e5bc-4d38-a460-b5265243ae14/47373675223.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f52c2a10-4cad-424d-838c-8435b952012b/miracles_from_the_vault_free_downloa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0878/9150/files/lenovo_yoga_260_specs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8900/2645/files/25448586312.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7306/9741/files/parkour_moves_list_with_pictures.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9408/9113/files/harvard_rejection_letter_meme.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/2412/4573/files/malayalam_short_film_screenplay.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7e2507be-d307-47d1-8fee-ec7995abc764/62478910576.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/007db5bc-52c5-4474-b27e-7a887a5f28e0/vorizaw.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_off00007424.bin)

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