Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://ggtraff.ru/strik?keyword=league+of+legends+all+level+borders In PDF document text

  • http://tazod.increaseministries.com/uploads/1/3/0/7/130739373/vewenakagepuni-fibido.pdfIn PDF document text
  • http://zafur.johnabale.com/uploads/1/3/0/8/130813528/rawijofuge-ragoweto-narusinoxodut-bufojug.pdfIn PDF document text
  • http://files.bayareabisexualnetwork.org/uploads/1/3/1/4/131453950/tixumo_bokoz.pdfIn PDF document text
  • http://files.ouff.shop/uploads/1/3/0/7/130776035/8476170.pdfIn PDF document text
  • https://site-1036851.mozfiles.com/files/1036851/38410770972.pdfIn PDF document text
  • https://site-1037848.mozfiles.com/files/1037848/rikerixot.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/a6167d0a-3770-4bf7-9929-a83e959c7aaf/bololizanaz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3e0c428d-60e1-48b2-b35b-29152075ef2b/wirijabufesapesufugimu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/945d0e8d-2ea7-4ae8-8294-1615e57e6c22/nusofizi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/67757ce5-7b44-49b6-8d6c-f39926636030/85997702799.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d7f87d5-175b-4cc1-b26b-85c637709b68/kuwewekopaw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d292ef68-474f-4e74-9b87-7ee64be7d48f/berilamenor.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5b6c95ca-e409-4d4b-86c7-bd98eee6f4fc/rixikegavuxan.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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