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://gettraff.ru/strik?keyword=digestive+system+worksheet+pdf+answers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4402503/normal_5f9208324b578.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379719/normal_5f911cae844ff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366327/normal_5f878a4b882b6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386363/normal_5f95d866b1f36.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.opentle.orgIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3522/0904/files/domevofem.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/1791/6575/files/el_populismo_en_argentina.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/9752/0801/files/scoundrel_guide_gloomhaven_gripeaway.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/9963/3829/files/vexos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8099/8298/files/biologia_molecular_del_cancer_de_mama.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/83726941.pdfIn PDF document text
  • https://s3.amazonaws.com/minaxigevani/aparato_reproductor_femenino_interno.pdfIn PDF document text
  • https://s3.amazonaws.com/gidibesuxi/les_sulfates_dans_l_eau.pdfIn PDF document text
  • https://s3.amazonaws.com/vinivuxo/dakesig.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/allen_carr_stop_drinking_now.pdfIn PDF document text
  • https://s3.amazonaws.com/gadumagabusodel/pradhan_mantri_awas_yojana_form_download_in_hindi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b6052c42-634c-4951-9d41-c803a027d430/44948553641.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/64667400-0478-42dc-bf78-7c8955d30a48/dimensiones_estructurales_y_contextuales.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fa7d0410-d61a-46c7-9cc0-3af3a0cbc24a/fofidomebabazafuwiw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8807adf4-9cd5-49f2-84d1-41114d4d4c14/54982814264.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/2536/6165/files/78726788625.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9510/6750/files/71104011614.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/7432/9507/files/95542624879.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0219/1269/files/bivowowejelezifewaredijon.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0491/9017/4886/files/94656792979.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 PDF document text
  • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

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