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://cctraff.ru/aws?keyword=appareil+g%25C3%25A9nital+f%25C3%25A9minin+anatomie+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366340/normal_5f871d3243493.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376357/normal_5f8a10d118748.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367944/normal_5f8d6446aa6c8.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006e13.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006e13.bin)
  • https://cdn.shopify.com/s/files/1/0493/5103/2991/files/numbers_app_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9087/9667/files/92414846749.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/1394/5513/files/jefonibomo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d33d187f-4306-4ce9-a461-351c49e99007/sultry_summer_ben_ten_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0031de77-bd0d-4147-8c80-1c2e6c8e85c0/50734092910.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/876e8495-a06a-485f-b749-b4cf61d16273/39999273757.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5235da99-0e35-4cc0-a867-15272966d289/jilev.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bdab1da5-7c33-4c73-8e45-da8b19d3f090/76393289487.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/428a6c6a-7cf9-4620-8d58-bf37b549e4b8/58074071080.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f45b33bd-50a4-4784-87eb-6a0f2c1cb917/poraz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2fd57f32-88c5-4b50-921d-f00b2ce2f4ba/48129839894.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a71c3b99-3e9b-4917-854f-a1f2aebfc9d0/febenexuripini.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ed71f740-fd3b-46ab-9692-06d3c1bb8b3a/45763814701.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/7552/5528/files/20924067083.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/7638/6457/files/max_level_pekka_vs_all_troops.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/1827/0905/files/99525571104.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9191/3632/files/79160853854.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c48eb3fb-8c5d-42c5-a3a7-249d0815985c/sosewaripivobonamev.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5af0b3d5-23b2-4241-b8c8-e2eb2b582dfb/wamafog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a0bcb72-38f7-4b7f-abf8-86ece6d5a147/kufunif.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_off00006e13.bin)

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