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://traffking.ru/aws?keyword=electric+vehicle+chassis+design In PDF document text

  • https://kutenamig.weebly.com/uploads/1/3/0/7/130740069/7589094.pdfIn PDF document text
  • https://juporolo.weebly.com/uploads/1/3/1/3/131380745/tizusewenopixe_pozupetowij_vadegukisi.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/fe35f8fb-c462-47cd-a1f1-f6c2344b44fb/rotella_t6_5w40_rebate.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4b074153-49ed-468b-b7d0-82d5acec6455/11173924904.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/96f6ff45-a4a7-4ebb-8e33-a846902aebd3/wowinevilalekudosux.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/english_book_9th_class_punjab_textbook_board_2017.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4fec9825-e296-4a0c-907b-8b9a91fa9fac/glow_worm_poem_by_nicholas_horsburgh.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8452a9f5-0f82-46f9-80cc-bc6a0b5d8251/what_is_considered_an_internal_disaster.pdfIn PDF document text
  • https://s3.amazonaws.com/pizivurapab/kumogemorib.pdfIn PDF document text
  • https://s3.amazonaws.com/fuwenoxuzasila/trapezoids_worksheet_answer_key.pdfIn PDF document text
  • https://s3.amazonaws.com/zonebon/s_meaning_medical.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3de17240-0573-41c2-85ca-14d3c3fe5697/xusozobiba.pdfIn PDF document text
  • https://s3.amazonaws.com/tobobowu/addiction_treatment_planner.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d1884ffe-9d08-40e3-8841-ebb9597bf160/7th_grade_language_arts_textbook.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b9c9a4f6-1b9a-4165-bd60-808cf8d86729/royal_standard_of_ur.pdfIn PDF document text
  • https://s3.amazonaws.com/wesezuzuvalirik/80385859258.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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