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://ttraff.link/123?keyword=bunn+cw+series+coffee+maker+manual In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369774/normal_5f9391766f23d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383565/normal_5f975ecd1c24f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385020/normal_5f9769e79063d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369643/normal_5f896c6fe650d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366350/normal_5f87214ba7c06.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006a58.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006a58.bin)
  • https://uploads.strikinglycdn.com/files/6547081d-3a71-4499-8f8e-b9ad6c5b2cf8/41956294919.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9738c55a-aa2b-42a8-978b-c07d6114268f/xedomowoditigil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4f15ea95-22f0-4b48-9943-b81408d8fbef/44478005918.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/public_finance_management_act_1_of_1999.pdfIn PDF document text
  • https://s3.amazonaws.com/welanisowari/kegevatifixosaloverixub.pdfIn PDF document text
  • https://s3.amazonaws.com/nuxulikiwab/rejumejoloxubitafafixed.pdfIn PDF document text
  • https://s3.amazonaws.com/dotivaf/baltimore_catechism_of_the_catholic_church.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8685/5844/files/60716243409.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2453/1101/files/buzuxawipujopepezofivi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/6303/1957/files/download_game_bully_apkdata_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8573/5105/files/redstone_lamp_recipe_1.15.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7645/5066/files/meditation_books_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dc0e3ad7-314e-4ba7-aa9f-80acee2bcd4c/marzano_design_question_5.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9b27163b-4991-4aa8-b722-8b961fbc147e/nabejumegu.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_off00006a58.bin)

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