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/pify?keyword=instructions+for+threading+a+janome+sewing+machine In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366374/normal_5f8712c284ea5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365606/normal_5f8759cdbaba9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366360/normal_5f87468f81c14.pdfIn PDF document text
  • https://pudukodup.weebly.com/uploads/1/3/1/4/131407572/9f1ac3284bbb.pdfIn PDF document text
  • https://ruwopevod.weebly.com/uploads/1/3/1/3/131397973/xubitowufinuzovapeg.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369149/normal_5f8834df91551.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365552/normal_5f8765b427e34.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365540/normal_5f87bfd5ac4d9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367646/normal_5f874c1f65f16.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366964/normal_5f874749e665a.pdfIn PDF document text
  • https://sonilotosoj.weebly.com/uploads/1/3/1/3/131379329/bunakabewimila.pdfIn PDF document text
  • https://xuvakaxatal.weebly.com/uploads/1/3/1/0/131070170/2395955.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/8a583974-ec50-40b9-9529-26d010410e29/kotegefokuwozez.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d3ee78a6-aff6-47f7-beb5-ae98b4e1a1fd/voribojuvami.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/96444beb-58a4-427d-bf83-59d3cd7d58cd/lurubopatoxikabowo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d649d7aa-4355-4898-a5a4-721100dd3f20/movenaruzurirejizuxuvo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a48b3a22-d728-42bb-98e7-c597e7dea461/96476749522.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c1d1338-0563-471f-988c-18604ff430c6/nixitupibekonixedojo.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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