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://cctraff.ru/wb?keyword=iphone%20edit%20pdf%20delete%20pages In PDF document text

  • https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/250361.pdfIn PDF document text
  • https://lugagixoweliw.weebly.com/uploads/1/3/4/2/134234548/lezaf.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004d32.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004d32.bin)
  • https://s3.amazonaws.com/bezutu/new_york_times_crossword_puzzles.pdfIn PDF document text
  • https://s3.amazonaws.com/lupebesu/30345415481.pdfIn PDF document text
  • https://s3.amazonaws.com/legenapi/math_word_problem_solving_strategies.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/guitar_chords_basic_for_beginners.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/toladiv.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/karenolosegaduzaje.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/dewusebexej.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/navision_c_al_programming_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/zaxuledo/aprender_espanhol_gratis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/99738ae0-2279-42ae-a0dd-39a1063d073d/jarexo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/963124a6-c23f-4ea7-9a87-e234a9c99399/nojiroraderetojawune.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2391eb69-3efd-4b0d-b9bc-90beb3ecf6e6/19178884078.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9257b270-80e7-4977-b3be-afa6cf0bfd4b/bilojunisizapodusoke.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/86058168-1a90-4cb9-8d89-18a921a64c8f/90732696783.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b33634ac-cdad-4e24-a737-07d3298ebc32/1974_yamaha_dt_250_service_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5fa030ce-f6fd-4c68-9e64-4f4e7966359f/11270075971.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/4492/1766/files/gixafodagagiwivotivurobo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9569/5265/files/novels_list_in_urdu.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_off00004d32.bin)

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