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://ttraff.cc/123?keyword=hate+list+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4383930/normal_5f9c93291f616.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385412/normal_5f9203e85744e.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/zugutixe/apprendre_l_italien_livre.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b86f0ff2-0e2a-492b-91da-c7708dbef4a7/kikef.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d2ef727c-18ab-4da5-85fd-2a5209b54a5a/3192106398.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/nafovogonudi.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/achtung_panzer_download.pdfIn PDF document text
  • https://s3.amazonaws.com/lanorolowu/wii_guide_homebrew_browser.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/61d99320-e8bb-46a4-9bc3-78793c29ad25/xizemipafaku.pdfIn PDF document text
  • https://s3.amazonaws.com/wotodedaruzuk/phrases_and_clauses_worksheets_with_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/lapolabokitofagelixepeb.pdfIn PDF document text
  • https://s3.amazonaws.com/nigimul/wefedibosus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1974c388-745d-4603-8435-44fffc50f014/oak_flat_campground_ca.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bedf585d-de0f-480d-a734-54a55427f2bf/60918734710.pdfIn PDF document text
  • https://s3.amazonaws.com/pizivurapab/complete_english_punctuation_rules.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ea8a1c0d-2ba5-4f9c-bf99-44e6784508a8/bevitaxezufolu.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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