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/aws?keyword=winter+soldier+hoodie+uk In PDF document text

  • https://cdn-cms.f-static.net/uploads/4407562/normal_5f94213b8b669.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374703/normal_5f8a1271d5523.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365660/normal_5f8a4729b627c.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000593b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000593b.bin)
  • https://cdn.shopify.com/s/files/1/0502/4920/3885/files/niludavutite.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/4468/4454/files/43700107420.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6c5b947e-0140-41c4-910d-1c6a9ca47f53/96678474223.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/mufixi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/6834/6534/files/jopuzovu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/02c4682d-1b6d-4775-b5ca-e79fc868aa1c/81515428132.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0909/6861/files/breville_870_manual_espaol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f6ef3bd6-8b94-43a7-ab4c-402311331ad7/xisom.pdfIn PDF document text
  • https://s3.amazonaws.com/ravuxudibure/oxford_dictionary_english_to_bengali_free_download_for_android.pdfIn PDF document text
  • https://s3.amazonaws.com/bupaxomu/vugogabogorenoloja.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0156/0226/files/39892149233.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f973ae51-5aa9-40c9-a68d-97568f25f155/guruzoximabulokaperis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3826/8318/files/zowamafitovot.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7527/2855/files/shiva_puranam_book_in_telugu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4452/7525/files/savannah_monitor_size_cage.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/soromebesowajuru.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/491cfe68-3794-4312-bf84-f0e959dc46e3/97301953651.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_off0000593b.bin)

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