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://gettraff.ru/wb?keyword=dsm%204%20tr%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4373749/normal_5f9104492538e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426088/normal_5f989ef885e9e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409417/normal_5f98178f71b90.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366003/normal_5f871f0b2780a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369659/normal_5f9057ea60b1b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415935/normal_5f9750715ce45.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378171/normal_5f929f4a13a66.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.opentle.orgIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/6280/8742/files/zegutiwavaruwiribu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/5916/2521/files/cancer_de_tiroides_anaplasico.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/1485/2255/files/descargar_perdona_pero_quiero_casarme_contigo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c30a3b65-2d4b-442d-b431-af36abb340d0/38217129745.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/31ab1b29-eefd-4de5-b217-94be62486f2c/50_tons_de_liberdade_legendado_compl.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fc57897e-e88e-45f8-97f2-eb9165069a19/91010733775.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7847/8743/files/55763608646.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5449/6921/files/black_wrapping_paper_for_car.pdfIn PDF document text
  • https://s3.amazonaws.com/pugomonapoxuxe/12902736272.pdfIn PDF document text
  • https://s3.amazonaws.com/tiluwisulepam/bics_vs_calp.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
  • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

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