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://traffking.ru/aws?keyword=parking+lot+2019 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370985/normal_5fa3897b51726.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375528/normal_5f8b5f2f0185b.pdfIn PDF document text
  • https://vorujefam.weebly.com/uploads/1/3/4/3/134322124/184bd173.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411001/normal_5f93dc910fc8b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416502/normal_5f958f4d0601c.pdfIn PDF document text
  • https://jedotulaxadetin.weebly.com/uploads/1/3/4/5/134587896/d440001.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369769/normal_5f9966de99d23.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388406/normal_5f90d67f784bd.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/16a739a7-e483-4e31-8e65-0758d5a4e086/12455553444.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e2722c4f-7ec9-4964-8a52-3dce92a5d9b6/stihl_backpack_blower_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/leteraxewe/30103635176.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4786a4d9-8acd-41ae-922b-16111043e011/pididubezug.pdfIn PDF document text
  • https://s3.amazonaws.com/dotivaf/shoqbox_sb7200_37_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9fabf6ce-1834-4b22-8e04-c6b11dee347a/fipigiparonirofal.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/69cbfd69-4213-46d3-8642-07730a3d609e/uses_of_plants_worksheet_for_grade_1.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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