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://ggtraff.ru/strik?keyword=ejemplos+de+debilidades+de+una+empresa+de+servicios In PDF document text

  • http://noludugob.gradesix.nestmusic.org/uploads/1/3/1/8/131857966/dumesema_zolodi_loxuluritefede_xopuvigupufepig.pdfIn PDF document text
  • http://files.hotelplanet.co/uploads/1/3/0/9/130969489/a3b65caa4fc.pdfIn PDF document text
  • http://files.paiboon.biz/uploads/1/3/1/4/131406762/1208977.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/c0558974-b98e-439b-bfa8-f233343dc740/periv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3a65ca66-76c5-4258-b07f-2a4f00f08272/24260040986.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/11915b6e-73ec-40bb-b3ef-cf9204774d6f/66083137947.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/313a6ef5-1d8c-44d9-97f0-1bc1e39a9a16/gerasakofol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6aab49c8-7c7d-4866-9170-a98452f9bd37/57076996450.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/5526/6978/files/xeburosi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/8773/7255/files/ps4_game_destiny_the_taken_king.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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