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.ru/123?keyword=designer+image+pvc+stair+railing+installation+instructions In PDF document text

  • https://s3.amazonaws.com/wibedubosateg/african_charter_on_human_and_peoples_rights_1981.pdfIn PDF document text
  • https://s3.amazonaws.com/lulelepese/23361336632.pdfIn PDF document text
  • https://s3.amazonaws.com/jufowokedunod/51699636565.pdfIn PDF document text
  • https://junoxavod.weebly.com/uploads/1/3/1/3/131384771/leragabisib.pdfIn PDF document text
  • https://jovikuveditowe.weebly.com/uploads/1/3/0/8/130874612/lusuxi.pdfIn PDF document text
  • https://xujaxivef.weebly.com/uploads/1/3/1/4/131438557/954539.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/hindu_calendar_september_2019.pdfIn PDF document text
  • https://s3.amazonaws.com/zidenigad/sekisi.pdfIn PDF document text
  • https://s3.amazonaws.com/tiluwisulepam/problem_solving_and_decision_making_book.pdfIn PDF document text
  • https://s3.amazonaws.com/xazarujokemus/korean_english_bilingual_books.pdfIn PDF document text
  • https://s3.amazonaws.com/petikamov/probability_worksheets_8th_grade.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000071f3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000071f3.bin)
  • https://uploads.strikinglycdn.com/files/2ece727e-a9ea-4f6f-8080-640b48f6f17b/poranek.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e1d51ee-ea95-4ba9-b0c6-5a97254ca3f2/tarovovijuzajulavefi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/649e0d62-8561-44c7-93d4-5c58115e5854/sijodelemiboretezojapiru.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd3e57cd-3429-4e09-83fb-1647e7ee35c0/70190858608.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e882889e-274d-41a7-b5ec-b09ed2956cdd/16194661803.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/7609/5652/files/38246747235.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8091/8203/files/xipoxedemovosunex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7aa390e4-b318-44a9-9573-ddbe6a048c2a/13711427477.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e6cdfec-a2c3-464f-9858-663f7ab87758/comment_satisfaire_sa_femme_au_lit_p.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/468363d1-2e9d-43f8-9c39-5386b36a7253/roseburoxefisajir.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 extracted file (font_00_sfnt_off000071f3.bin)

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