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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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.link/wix?keyword=apk+nba+live+mobile+hack In PDF document text

  • http://vijow.labyrinthsupervision.com/uploads/1/3/1/4/131406390/sedoxe.pdfIn PDF document text
  • http://files.rcdavis-tellinstories.com/uploads/1/3/1/3/131383624/ebc2656e5828c5.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/1/0440/0388/5214/files/wow_bfa_research_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2761/1295/files/zobujavo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/0096/9896/files/juvodatupifosarini.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0463/3319/8498/files/water_displacement_problems_worksheet.pdfIn PDF document text
  • https://58286341-ed4e-45b0-a73a-ab3ef9667f3d.filesusr.com/ugd/bfd78a_99a7947abf284b07aad6d7225110a2d6.pdf?index=trueIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/8339/8310/files/bugubinawaki.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/8907/5102/files/formulation_and_evaluation_of_antacid_suspension.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0450/4230/3140/files/switzerland_rail_map.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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