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/strik?keyword=managerial+economics+solutions+manua In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375894/normal_5f89b653ba64c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379742/normal_5f8ac42935a3f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369505/normal_5f88a8713d61a.pdfIn PDF document text
  • https://fizolapojola.weebly.com/uploads/1/3/1/3/131383549/jijivijibizozugokow.pdfIn PDF document text
  • https://vuxilimibipemop.weebly.com/uploads/1/3/1/4/131453056/4fe5684cf11.pdfIn PDF document text
  • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/e9ff54.pdfIn PDF document text
  • http://findtestbanks.com/wp-content/uploads/2018/09/ManaIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000078eb.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000078eb.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000ac6c.bin)
  • https://uploads.strikinglycdn.com/files/95f5d1db-765f-4d85-9f5c-74b16bb95996/63165995305.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/feb10657-9f9f-4f7e-a614-e4c815c724db/xaduzagefowanap.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c22d32f-b392-42e2-8c68-bd9fb5471795/4169257209.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/85334700-1031-4aba-a31f-bd6fb88e0194/99459533684.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ebe65763-613c-460f-bcd6-c7362fae39e3/masefumivefika.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fcf14667-47a8-4b41-a372-ce4b0ba2a129/34575791467.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a2207c06-f2a1-4b91-9ceb-76984d03119e/43400524026.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/403cdd42-c9fe-4af4-963a-942b7f50a741/lanorodozorezem.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d00f647-22e2-4f4a-895e-e6f349c44af8/zebebovusisexibuvel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/4116/3926/files/gta_flying_bike_cheat.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5384/9499/files/rigid_pavement_and_flexible_pavement.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/3180/9176/files/changes_in_accounting_estimates_are_considered_accounting_errors.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/2812/3295/files/bilbo_baggins_birthday_speech_meaning.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/6225/9623/files/peduduzosomunijoza.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_off000078eb.bin)

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