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=aleksandr+solzhenitsyn+200+years+together+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4389582/normal_5f90ef4d5b03a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366993/normal_5f87579f6b102.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365660/normal_5f87143106e87.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383565/normal_5f8dc63305fe0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366304/normal_5f8bafe049020.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371808/normal_5f8c09a0a55d5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370264/normal_5f92471f5f136.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384295/normal_5f8f03b0c1452.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4401723/normal_5f912d4cb8991.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380210/normal_5f930f6466c61.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000084e6.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000084e6.bin)
  • https://cdn.shopify.com/s/files/1/0483/5642/5879/files/nitaridotitozu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8697/7441/files/soleus_air_heater_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/9126/2123/files/novinaj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7773/0464/files/kojuraxikogapete.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/9634/1153/files/ips_cadre_allocation_2020.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/39504914068.pdfIn PDF document text
  • https://s3.amazonaws.com/lovetijif/38772130551.pdfIn PDF document text
  • https://s3.amazonaws.com/jiwisigetizoxif/les_noms_des_animaux_en_francais_avec_photo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4f8731c4-eb97-461b-92fd-7ceddbc98148/85695801009.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a87f7494-4986-4f3a-96e6-78a19977a8c0/voxumakomopojudabatigepuk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d182afa-4c57-476a-be8c-1918a70dcd06/38988662268.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6dbe7f6d-688d-47d3-8daf-9fb37aa6b621/jasumuri.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/67810e18-e44b-4fbc-9d7d-af627483adff/68409540238.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8119fcb0-3e5c-4c82-8e4e-c5116909b9b9/thv4_coral_indicator_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ec8bf379-2827-4773-98cd-af215bb02515/90003101762.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae12ccf4-56e7-4c43-884d-1bb9d621d974/70660028987.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_off000084e6.bin)

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