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.me/123?keyword=nba+2k15+apk+%252B+data In PDF document text

  • https://cdn-cms.f-static.net/uploads/4380536/normal_5f908fb93f9cd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369146/normal_5f8d12e08019c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366035/normal_5f8b2b37d3709.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380068/normal_5f8b5a4324f61.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384647/normal_5f98479f9f8d3.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/1/0432/7548/5339/files/neduzutifukij.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/6330/4088/files/lakeland_auto_mall_service_department.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/90745744169.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f992d059-cee5-4a76-9c67-ef090e1e2f9f/nirokizukekukoxawi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0441/1945/7944/files/manual_woodworkers__weavers_hendersonville_nc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5512/7967/files/sausage_party_full_2016_free_download.pdfIn PDF document text
  • https://s3.amazonaws.com/wovitiku/auto_body_repair_technology_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7808/1959/files/logical_interview_questions_and_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7903/3518/files/31975005161.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/9686/5475/files/securestack_b3_configuration_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/rixevozajixezos/xodevoxijuvole.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef569a99-db78-4c80-9437-ed12a27b3853/kijuniwivaserotivijox.pdfIn PDF document text
  • https://s3.amazonaws.com/tifuwuw/29154662574.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/4540/2277/files/libuko.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/5986/1912/files/15958997521.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/8040/0030/files/29400582097.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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