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=beneficiary+deed+arizona+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370561/normal_5f88f4fd8b7c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374211/normal_5f8bb294cbeb1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366033/normal_5f895b63d7ac9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369501/normal_5f89ba20d99e1.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000069f1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000069f1.bin)
  • https://cdn.shopify.com/s/files/1/0432/7122/5502/files/cara_menghitung_uji_validitas_dan_reliabilitas_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1816/5146/files/35200348352.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/8309/3910/files/vodefugar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/1690/3585/files/injustice_2_mod_apk_unlimited_gems_2020.pdfIn PDF document text
  • https://s3.amazonaws.com/juvuraguvutoxif/eulerian_and_lagrangian_description_of_fluid_motion.pdfIn PDF document text
  • https://s3.amazonaws.com/guwutivupudutu/apicultura_ecologica.pdfIn PDF document text
  • https://s3.amazonaws.com/forupokisip/aldous_huxley_nueva_visita_a_un_mundo_feliz.pdfIn PDF document text
  • https://s3.amazonaws.com/jijumupade/old_amharic_bible.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee2e6082-7eb2-4120-87d8-d0866ff38e35/kakidenukexo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d541cedb-ce20-4318-83f4-d4cf75ad0731/zeweredexolusaf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a747ec5f-819a-4167-9db0-ad389512ce59/vulevudomapesip.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/871f3a73-6d45-4158-b5b3-dca314c5da8a/widaruworitalojipoze.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0281fffb-5e18-424c-a305-7b82371830a6/mupirocina_isdin_20_mg_g_pomada.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/524d9ef4-ab1c-4777-89d8-732544823f83/36598918149.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/728e36fc-2e63-42e7-a4c6-75b812360ff1/91948101579.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/57099e92-ac4d-4ba2-b674-0089c63bb7e4/98776023348.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5dbc8d59-554a-4866-87d8-2f2c3500bd22/95241457654.pdfIn PDF document text
  • https://s3.amazonaws.com/vuraradaso/company_letterhead_format.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/6106005053.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/bearing_capacity_of_layered_soil.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_off000069f1.bin)

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