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://cctraff.ru/strik?keyword=apprendre+la+ma%25C3%25A7onnerie+pdf In PDF document text

  • http://files.houstonpolopost.com/uploads/1/3/2/6/132696029/negidegakoratogok.pdfIn PDF document text
  • http://files.absolutelyfabulousfashion.com/uploads/1/3/2/8/132814680/1994896.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/65710224-ea63-4633-ad14-4abe9e16a6a0/78268313468.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5145eb47-eedb-4e4e-b967-e53cea18f0b5/59609941333.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b395beda-4c87-4054-b1bb-a80f3bd47f01/gabobimipejimuwelepa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8997/2385/files/30876184539.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7019/6374/files/sims_4_torrent_knitting.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/6750/2503/files/equilibrium_of_a_rigid_body_in_three_dimensions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/6238/9667/files/xoraligufikosibiri.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ffcdcf41-0e4b-4776-80c7-db4d92e35f85/11593704986.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eda5cf36-9f1c-4ff6-bd78-4d37a1c6942b/fofomagen.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d90c3ef0-cbcd-4655-9553-d8e600163fed/bulolexitaruf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2bb2234b-3b4c-4b81-9aaa-d8aec58e70e4/38143185713.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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