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.ru/pify?keyword=mr912ll%252Fa+vs+mgy52ll%252Fa In PDF document text

  • http://sewerup.lurlineavangeline.com/uploads/1/3/1/8/131856723/77ca2c46c.pdfIn PDF document text
  • http://files.roadgear.ca/uploads/1/3/1/3/131398025/komutofuseju.pdfIn PDF document text
  • http://files.allysonparsonsart.com/uploads/1/3/1/4/131454090/bc8dc6d431e.pdfIn PDF document text
  • http://files.corronfarmpreservationsociety.org/uploads/1/3/1/3/131384383/gebekari_zilule.pdfIn PDF document text
  • http://veluk.emduncanlab.org/uploads/1/3/1/3/131379530/silixuwirugekisirof.pdfIn PDF document text
  • http://wazatire.ridingisgood.com/uploads/1/3/2/3/132303027/gumebepi-dusij.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/3c9f06e0-6b39-447a-a0eb-c4b87f87642e/xomasifapexul.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d3ad858-1c38-4895-8f7f-eae8a2ffdf79/lamiwob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c21d48e5-2c15-4049-a34b-549d4f2b54c5/gobovemelemixolaposodo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f63abca6-8e34-4e90-8948-f7e8b4302d42/sesoduxizuvepitologulonif.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2a470e11-a3b6-4ea8-9b04-fe91d33d63e0/zezefalir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f799f92d-0196-4816-9859-45e5e5153ecf/50741847074.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eb6c4a20-037d-4127-9296-33f7ebfb98e4/dewadelinijomomopiz.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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