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/123?keyword=pvz+heroes+cheat+apk In PDF document text

  • https://cdn-cms.f-static.net/uploads/4389097/normal_5f8eee1d2a9ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381539/normal_5f9192e12509e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373243/normal_5f8ccd164ca8a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370053/normal_5f8b0a8601dcf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374983/normal_5f8b158a5d2eb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367964/normal_5f90cfd925a17.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377379/normal_5f8fe8aa9f287.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/c0d68e99-b296-4d3c-aa66-1a2ced19bd5c/19355351312.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f97dcdda-3087-416a-8727-56118ff5311e/slime_molds.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4d349a05-5680-4711-a840-fd61cf5606d8/gafabolulosabudowukez.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d9aa245-8357-42dd-8741-64da9f76d213/47822672412.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe1cc7a7-064d-44ed-8dc8-22eb51194df1/dabuzararujaxominaxur.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5dcc167e-012e-40d3-b664-673e3730bc31/5066146005.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8848/7602/files/tn_con_trai.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/9950/3805/files/science_method_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/3057/5787/files/83294132540.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/8986/9991/files/the_pauline_eschatology_vos.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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