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.me/123?keyword=coin+master+hack+app In PDF document text

  • https://cdn-cms.f-static.net/uploads/4377112/normal_5f8aadad350e3.pdfIn PDF document text
  • https://kogemujifogez.weebly.com/uploads/1/3/4/3/134344524/d3aa4f37b5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367633/normal_5f9255c9f22b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368503/normal_5f894238018db.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/wotareropajewub.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.thdl.org/http://www.thdl.org/TibetanIn PDF document text
  • https://uploads.strikinglycdn.com/files/48703cde-6416-49cf-a017-8f36d817a0f4/bipimidawujunatozinolekek.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d0894f6-5a8b-499e-aa9c-b40ef39d3d4f/sifusuri.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0491/9151/8374/files/lego_friends_advent_calendar_2020_instructions.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/metodo_arban_trumpet.pdfIn PDF document text
  • https://s3.amazonaws.com/bakoloj/2770212093.pdfIn PDF document text
  • https://s3.amazonaws.com/tanikanaw/nokezuxoterugiferiweba.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://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlTibetanIn PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text

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