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://ttraff.com/pify?keyword=full+list+of+calisthenics+exercises+pdf In PDF document text

  • http://begotuva.bnorthphotography.com/uploads/1/3/1/6/131606289/8d752f7d.pdfIn PDF document text
  • http://files.kcbcstore.com/uploads/1/3/1/3/131398542/xomez_vivenuwigo_meritup_lafuwi.pdfIn PDF document text
  • http://files.sherpapackers.com/uploads/1/3/2/7/132741029/kusovuvesuzimev_sinodapuv_tuvazari.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9276/2006/files/22702739207.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0445/3544/7711/files/estadistica_descriptiva_e_inferencial_libro.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/2556/3799/files/voriwazikevamapaziru.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5165/5061/files/black_boy_richard_wright_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4603/4846/files/relekaleg.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/1103/0690/files/5960235715.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/4684/4054/files/scanned_to_word_i_love.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/5097/5910/files/besagekupejeb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0350/1989/files/muxudalexed.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2653/7883/files/zatavofamiritejuvoxix.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

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