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.
• PDF carries website-builder CDN document link farm medium PDF_CDN_PDF_LINK_FARM
  PDF contains many clickable PDF links parked on website-builder CDNs or simple download gateways together with visible ebook, manual, or download lure text. This matches generated SEO document carriers used to route users through untrusted link/download chains; the PDF itself is an inert link carrier.
• 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://gettraff.ru/123?keyword=free+3d+scanner+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365536/normal_5f87abefb8800.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368478/normal_5f87e472a1911.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365662/normal_5f8739175635e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368494/normal_5f87ba64a4240.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365586/normal_5f86f941d03f7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365661/normal_5f8735690f130.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367277/normal_5f8766566b3fe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365570/normal_5f873bdb240cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366964/normal_5f874dfe34ed5.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007043.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007043.bin)
  • https://uploads.strikinglycdn.com/files/62132e94-c77a-4ce7-a0a8-8f996417d8f1/zixur.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/88f7f68d-2964-4a28-b89f-c8bb3db7216c/88207753214.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fd227ba7-1eb7-4e5b-87f9-95f455fea4dd/vunamepixogolumofixow.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b254035d-0067-4668-9aeb-a5f3163dc10d/47721683256.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0fe05b0f-0737-4cc9-b6b2-3609293b6159/98618560212.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ee72793-dbce-42c0-965b-68d16b6ea923/32720300584.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/295a312a-851d-40fb-ad57-90f1132839e7/41604985654.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/79d17cf8-0b7a-4b3f-862a-9ddbc17bba81/kasulagemaninirimodow.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/91ab7ff3-de5d-4f55-84dd-a6359d4c8fad/merekimesizoriliki.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ddddf71-a2de-4c4f-8c24-87d983ae8b26/21273911194.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3cecb15d-7b6e-4da5-829d-a3868402fb6d/41895233353.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/750068b5-6e8b-4671-a281-d3aec4d0ba81/10156886204.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8881/3461/files/25749756169.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0265/7957/files/bluedio_hurricane_turbine_user_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/4181/7244/files/one_direction_they_dont_know_about_us_album.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_off00007043.bin)

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