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.link/123?keyword=fullbright+texture+pack In PDF document text

  • https://cdn-cms.f-static.net/uploads/4378599/normal_5f91ecbbefb34.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387233/normal_5f96c83561118.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380536/normal_5f8bcdfa8edc5.pdfIn PDF document text
  • https://rusezoxebob.weebly.com/uploads/1/3/4/3/134355184/5398022.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393761/normal_5f8f5d9787e4d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380867/normal_5f999eec486af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392656/normal_5f917e9d57ca2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368958/normal_5f92067192ab4.pdfIn PDF document text
  • https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/tagoruforupavolokuxi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376601/normal_5f98c6dd6d8c7.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000061e5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000061e5.bin)
  • https://uploads.strikinglycdn.com/files/5d42a761-9d0f-4bd3-ae73-7723c8e0df29/didirifubuzazoweponekeki.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/30456674584.pdfIn PDF document text
  • https://s3.amazonaws.com/gaxuremewuger/76854305475.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a8beaed4-9391-4dc0-8091-4bced5c1d631/itsuka_tenma_no_kuro_usagi_trailer.pdfIn PDF document text
  • https://s3.amazonaws.com/jupevuxirapi/maths_trigonometry_formulas_of_class_12.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/37151470-d14f-4623-8429-5d70aab20352/dovodokotaw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cfb54a57-a344-474a-b71e-3d45356c2073/52038923231.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29ac897c-c53e-41c6-b6cf-7ee812c3ff49/67275101243.pdfIn PDF document text
  • https://s3.amazonaws.com/posufij/annuity_value_table.pdfIn PDF document text
  • https://s3.amazonaws.com/ganubatebedoxez/assertion_reason_type_questions_for_aiims.pdfIn PDF document text
  • https://s3.amazonaws.com/padadutiseni/29558729238.pdfIn PDF document text
  • https://s3.amazonaws.com/vuzufexarevima/valpakine_bula.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 extracted file (font_00_sfnt_off000061e5.bin)

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