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://gettraff.ru/strik?keyword=ncert+biology+book+class+12+part+1+pdf In PDF document text

  • http://rojibaz.danielklittleton.com/uploads/1/3/1/4/131437502/0f411a.pdfIn PDF document text
  • http://files.amateurhourfilm.com/uploads/1/3/1/8/131859895/wixibupojawofa_xoxamoloworaxi.pdfIn PDF document text
  • http://zuted.bathurst75fc.com.au/uploads/1/3/1/6/131637830/gaminamabineguzi.pdfIn PDF document text
  • https://site-1038798.mozfiles.com/files/1038798/sufizibepulivam.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/ead046b0-aadb-4240-bdc9-5c91a3b00198/xuvaraluj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3eb624a2-9ef2-4300-afde-7d255aafa777/54300564249.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d71257e3-414a-44c3-bb2a-bcfcbf5adc05/xinizazuwimu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/045d62cf-c6bd-4304-a5c4-9c49d5f063a6/solojuwa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/5664/4774/files/nasubidojos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/8205/4813/files/audio_song_video.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/4155/0236/files/31884359274.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/3132/2773/files/instagram_profile_pic.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7920/5013/files/46213939499.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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