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.club/wix?keyword=rita+bennett+lea In PDF document text

  • http://wudaf.kendraharder.com/uploads/1/3/0/7/130775934/5981173.pdfIn PDF document text
  • http://files.crescendoughcakesofficial.com/uploads/1/3/0/7/130738512/4433880.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/8706/8322/files/ditonitivo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81108552740.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/0558/9157/files/referral_letter_template_doctor.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0454/1834/8712/files/96520845451.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7185/6026/files/47864941547.pdfIn PDF document text
  • https://eabcd630-0ba2-4aa7-a332-59d9233d838f.filesusr.com/ugd/35e1ce_a4592495e7274e8f9334fd244c4b8640.pdf?index=trueIn PDF document text
  • https://a03b113a-366f-4d58-8525-ffe5fbae64b2.filesusr.com/ugd/c83fdb_7a1c450c700942e48ae3ec97cf133b90.pdf?index=trueIn PDF document text
  • https://a1fdb101-ec49-4da2-8837-2e59a3cb4c30.filesusr.com/ugd/23924c_bce5ea1082d14659bf71a469d6a911d1.pdf?index=trueIn PDF document text
  • https://cefe24fc-3c14-4577-9b66-4acd8f6d5893.filesusr.com/ugd/2b98a3_5ed3244399dd4912a9f8b4977cc95c6a.pdf?index=trueIn 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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