Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 34 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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=critical+discourse+analysis+fairclough+book+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4383136/normal_5f8edbcc1295c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365600/normal_5f873e53844f1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382778/normal_5f90338443de5.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004cde.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004cde.bin)
  • https://uploads.strikinglycdn.com/files/9feea490-3e26-4a60-8b66-13ec3a0771cf/panasonic_dmc_lx10_user_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fa8070bc-cbb8-4ece-a124-ba7ec1bb6e49/kunosibevaxodagij.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1abe5280-388d-4f8c-9202-98d6aa605f94/wikutiwazejewasazamak.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/938a955b-84a8-4a78-9b1d-2c32491c2718/75358660672.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8cbc1c28-b660-45be-ae7d-5a505ee49f9f/kugofef.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0487/0330/7926/files/catecismo_romano_de_trento.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/2260/0350/files/47886259297.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23fb9be4-40f1-445d-84ab-b7a7a3cb10df/12606536879.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7409710a-dd7d-4722-94ec-642f007d9873/wefip.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7bde9dde-cee8-4b44-9b0b-8726a9fafab7/essential_oil_perfume_recipes_witch_hazel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/44a7e259-c194-4c50-b9e5-41a3866eebc4/formulario_de_un_club_deportivo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f510652d-60c7-48ce-a89f-54d41a472302/68126727608.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f2fa0e92-a59f-4701-9a10-3156812f7284/tiragiroj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9213dc13-4399-4076-abe6-8980ff01eda1/redejemineseravepomixunum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/644fb6f5-514d-4d39-abf3-80bb20bd08ca/huawei_e5573_specification.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/550eb1d3-a3b6-4a81-80ee-5bf570aa1680/20819750827.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8361/9232/files/31776882177.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7605/1635/files/tebetibadelemiluwerene.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/4098/1660/files/pojozu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8330/8962/files/does_2020_toyota_corolla_have_android_auto.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_off00004cde.bin)

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