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.cc/123?keyword=how+many+calories+in+a+grain+of+rice In PDF document text

  • https://cdn-cms.f-static.net/uploads/4386330/normal_5f95380aaabfc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367644/normal_5f924ba5c0dde.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366358/normal_5f8b503606440.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410694/normal_5f98674f56e13.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378843/normal_5f8b73fa0d4e1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383703/normal_5f8da0ef1349f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382429/normal_5f8c4bd8026be.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403818/normal_5f97c3024b05c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382412/normal_5f93485760bf3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404753/normal_5f93ed395251f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378406/normal_5f8ab405c7412.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/0527/7894/files/50226232357.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0488/9760/files/tb30r_user_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f323f461-d75f-4efc-b10c-8ca59cdcef4b/petaxalikelagudutovaji.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5007/3240/files/arctic_king_mini_fridge_3.3.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3092/8286/files/caesars_slots_free_coins_facebook.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/3018/4601/files/sb_tools_apk_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4069e028-8db0-4472-a4e5-aab5fcda84fa/85147109062.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/0617/3599/files/kakadufenumutugorusesusuf.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 PDF document text

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