Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafficel.ru/aws?keyword=pokemon+stadium+2+strategy+guide PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4365612/normal_5f88050957ab4.pdfIn PDF document text
  • https://pukotegifo.weebly.com/uploads/1/3/0/8/130874060/kowixuwam.pdfIn PDF document text
  • https://ladofozaser.weebly.com/uploads/1/3/4/3/134334290/5400129.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/lijulijowivaze/61140122117.pdfIn PDF document text
  • https://s3.amazonaws.com/zetubakuz/answer_key_for_lesson_13_homework_grade_5.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b78a9d32-1a46-4cef-8ed3-3b99a7856b70/witcher_3_offending_religious.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/628331cb-16e1-488c-ba5c-e28b8107b774/94511129622.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f54a8393-a2a0-4bd1-83eb-2fcdd5932002/86388893169.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f13d51e-6cb6-4f8f-9028-2bc0acd2e687/children_of_the_mountain_book_series.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/397f54e4-9d76-4d22-aef1-9657bf14cbad/siledepedusowuxax.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e7c4972b-0819-4e25-a39d-cdde44eb75ca/3_digit_addition_and_subtraction_worksheets.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8e4eee8e-140b-46ae-a026-71ab5ac60554/terraria_hacked_2020_mobile_download_ios.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/374039aa-a134-44e4-81a8-32d9df6134d3/86418570082.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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