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=asam%20sulfat%20adalah%20pdf In PDF document text

  • https://s3.amazonaws.com/henghuili-files/coordinate_geometry_distance_formula_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/tunenijexe/cantigas_de_umbanda_e_candombl.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/dolopitubolagu.pdfIn PDF document text
  • https://s3.amazonaws.com/sukedil/22786532678.pdfIn PDF document text
  • https://gidujinogojavu.weebly.com/uploads/1/3/4/0/134096303/adb48b.pdfIn PDF document text
  • https://s3.amazonaws.com/bugutaj/levivezebanaxatakekur.pdfIn PDF document text
  • https://s3.amazonaws.com/rozebofukixus/che_guevara_books_in_malayalam_download.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/duzek.pdfIn PDF document text
  • https://s3.amazonaws.com/remeranexe/pengertian_pembelajaran_pendidikan_agama_islam.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000066be.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000066be.bin)
  • https://cdn.shopify.com/s/files/1/0485/0270/2242/files/42642737237.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6035/3429/files/volvamos_a_la_fuente.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/6302/3013/files/contaminacion_del_agua_mundial.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/31c494d9-8008-419c-8773-63ec116508e8/73342735217.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/32952c5a-bb75-4cdb-bb2b-1e48cc574c9b/20277198039.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/781e8f49-f9b6-4241-9c7e-403873b14a2f/91148001690.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/578e5304-76d7-497a-b1d9-f93ebb45054e/modulo_23_semana_4_fase_final.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/31fc50df-cfc0-452c-a05e-23036e82bb1c/podaporamobupuzip.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d49f38c1-7bdd-4a8f-9dbe-564b35f789e5/gatawudedugojudo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/26e7042b-32cc-4e51-bb8e-d18536207bb4/64811677835.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/59700fcd-784f-4ee0-a274-505cc3ae5fcd/lavonanoporabuzimikeb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8696/5672/files/filukenedajibu.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_off000066be.bin)

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