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://ttraff.ru/123?keyword=chrome+flags+android+2020 In PDF document text

  • https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/5452898.pdfIn PDF document text
  • https://kuvofexe.weebly.com/uploads/1/3/1/1/131163751/7837367.pdfIn PDF document text
  • https://rewemekekebaz.weebly.com/uploads/1/3/1/4/131406535/5019697.pdfIn PDF document text
  • https://vidojibirulon.weebly.com/uploads/1/3/1/0/131070792/4903077.pdfIn PDF document text
  • https://tajurasexir.weebly.com/uploads/1/3/1/6/131606020/tasezekavudosewulo.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/godekux.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/1109957.pdfIn PDF document text
  • https://gemenudotipetal.weebly.com/uploads/1/3/2/6/132695720/vetetikosotuzafiwop.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365567/normal_5f8a8f9fc4fcc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366633/normal_5f88fcab54e38.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366347/normal_5f87eac696cde.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366050/normal_5f88fc7ad11b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366063/normal_5f87330b4c636.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/d4e8991b14ea73d.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/jatelu-zukolugaw.pdfIn PDF document text
  • https://jamuseramomuf.weebly.com/uploads/1/3/1/8/131871426/7206531.pdfIn PDF document text
  • https://zoxetojasag.weebly.com/uploads/1/3/1/4/131437223/d6a00.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006fdc.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006fdc.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000a4dd.bin)
  • https://cdn.shopify.com/s/files/1/0433/8070/3382/files/harbor_freight_air_hose_reel_setup.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/3732/6997/files/99361703449.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6659/7288/files/tugipifuzadowovokon.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1114/5365/files/jj_smith_10_day_green_smoothie_cleanse_book_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5545/6164/files/best_buy_hillsboro_ohio.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_off00006fdc.bin)

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