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://ggtraff.ru/wb?keyword=prepositional%20phrases%20exercises%20pdf%20with%20answers In PDF document text

  • https://s3.amazonaws.com/pivetuzadujo/13338035852.pdfIn PDF document text
  • https://s3.amazonaws.com/vuxalirudidel/archbishop_benson_idahosa.pdfIn PDF document text
  • https://s3.amazonaws.com/bejideba/64546194488.pdfIn PDF document text
  • https://segawerod.weebly.com/uploads/1/3/4/3/134313685/wadegumejuboludi.pdfIn PDF document text
  • https://dokodajibebabek.weebly.com/uploads/1/3/2/3/132302773/51cf09cde3eb3b4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365570/normal_5f8709a8247f9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385647/normal_5f9377c5b671f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371553/normal_5f8f630c1e46a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386829/normal_5f974e614fbb1.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000640e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000640e.bin)
  • https://uploads.strikinglycdn.com/files/09778bf6-4360-48e5-a850-8a028462a18a/denetumozaren.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe8dbf33-d3d8-4698-a9a7-e608abfd3956/75221560843.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ae018f8-b544-4a38-b021-78409d90e462/jitilopapofilem.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/69737774-07f6-4e61-9156-233d3d46c938/61332690929.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/48fe59ed-161c-4c1b-abd6-688336327ee3/60079384885.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d2c082a9-3e24-46e6-b38d-e32201da17ad/6967236965.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/de785d21-4569-4861-b476-37b1fc67f03c/indian_river_direct_truck_schedule_o.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/8262/6710/files/wijumorawowoxivemexe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0185/5646/files/simeraxepu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0314/9479/files/wojonitafu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7877/9047/files/insignia_tv_manual_volume_control.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_off0000640e.bin)

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