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.
• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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/123?keyword=utorrent+pro+apk+for+windows+10 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4451742/normal_5fa06553a7d85.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/wizidimawag/chemistry_sample_paper_2019_download.pdfIn PDF document text
  • https://s3.amazonaws.com/kotenu/58595818353.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/084dd209-b4f7-496b-83eb-f1a8a20fb060/libro_solo_para_chicas.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/97523817-3d30-4a27-b7ff-b204bb80ce1b/66353579416.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/12f34113-81b8-43a1-8c42-a150b1c56372/pizza_delivery_driver_insurance.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ac78e97-b1ff-4b85-a452-d3f7e964bfad/67418186258.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/229188c7-45b7-4630-8472-cb95bd4ed439/vikonidunuradoponubi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9dbf9a51-776f-4764-b66d-3470abb40237/87286875534.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cab87c51-b801-454d-b950-8bc1b0259935/hdt_vs_tbbp.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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