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=alias+grace+book+pdf+download In PDF document text

  • https://todijaxazifaro.weebly.com/uploads/1/3/4/3/134342800/pewiz.pdfIn PDF document text
  • https://rewemekekebaz.weebly.com/uploads/1/3/1/4/131406535/474185.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366007/normal_5f90de1f8950d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366009/normal_5f86fe7aae283.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004c07.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004c07.bin)
  • https://cdn.shopify.com/s/files/1/0500/5328/4008/files/53679499540.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8810/1030/files/haggerston_castle_map.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5407/8871/files/45750811496.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0371/0104/files/87163346362.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/21018fb4-6d11-4c72-b072-89ae0735a325/mk18_vs_m4.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/12e26918-056e-46ea-beeb-87acd37d4127/chinese_dictionary_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c6893a85-3aec-4154-9804-74fd74c2a967/gerujetizukaguzekajoromos.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b661abc2-6703-4ef1-840a-bba16ae0b5fd/zedezitexalagu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/03b8792a-4b1c-4863-9874-538fdf894f54/32982100362.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8320/5281/files/27152077026.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/1954/1921/files/40455140910.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/2844/7900/files/full_schedule_of_ipl_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7931/1253/files/yogic_jogging_steps.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/0825/0015/files/49749313923.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_off00004c07.bin)

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