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/123?keyword=purple+cow+laminator+instructions In PDF document text

  • https://cdn-cms.f-static.net/uploads/4371508/normal_5f8875ecefa6c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365635/normal_5f8ff26ad1e79.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386092/normal_5f935e129c868.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367921/normal_5f8965813b34d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371523/normal_5f8bd619179bd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378404/normal_5f8c64e1377b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372960/normal_5f8df988190cf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386333/normal_5f903a6336499.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383450/normal_5f9473776d0b3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377100/normal_5f8de2c793d28.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006415.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006415.bin)
  • https://uploads.strikinglycdn.com/files/46d6b86e-f522-4a70-84ce-de6f474d21ee/buzikapugaguxerowezufu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b0674e4-0283-4d45-8c63-2e60d223a132/62763191665.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/63df1077-947a-42ec-9b7d-f5a973755a89/41687740883.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/41f54e7a-1242-49f5-9521-edb52f83ddef/codex_gigas_full_english_translation.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a2994e43-0934-48a7-bb41-56474bf0f1b7/98289138392.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f03a328b-3c6f-43e4-b8ca-1e09f62375a4/manual_de_diagnosticos_de_enfermeria.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c1a5f866-7163-4d19-90b0-51843be54df3/37720041142.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b5028a4b-b200-48b9-88c8-37cbb4b38e9b/kissed_by_an_angel_tv_series.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/4126/8127/files/body_systems_concept_map_worksheet_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5472/9882/files/37966420637.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/0432/4772/files/12065385483.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/1542/1600/files/82548770513.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/4088/1831/files/24931939790.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://dejavu.sourceforge.netIn extracted file (stream_006_off00009b42.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_006_off00009b42.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00006415.bin)

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