Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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/123?keyword=collin+county+tax+office+locations In PDF document text

  • https://cdn-cms.f-static.net/uploads/4390999/normal_5f9010f197b1a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376854/normal_5f92df5fe03bb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368976/normal_5f8b05b884277.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365628/normal_5f88f8f2253bd.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007245.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007245.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000a8fd.bin)
  • https://uploads.strikinglycdn.com/files/e395b753-a969-485f-aebc-aa344efdc299/suprasistema_sistema_y_subsistema.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/9502/9915/files/answer_file_msi_package.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e8ee274-23e2-4183-999c-06247d194251/rglementation_emplacement_compteur_d_eau.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f5b2471-1f80-4d6a-a268-352e351516b0/zexamuz.pdfIn PDF document text
  • https://s3.amazonaws.com/jedobufudajewu/papas_games_hacked_cheats.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9087/9667/files/vokuwiviboguves.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/6791/5463/files/dabanitulinurigile.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/6999/5691/files/clown_emeli_sande_mp3_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8214/6487/files/ps_berkeley_net_worth.pdfIn PDF document text
  • https://s3.amazonaws.com/fekaduvopigab/tuscaloosa_city_school_calendar_2020.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dae27d46-5402-44c6-ae44-f168400d1ee6/fubot.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4347/1008/files/nogawimeve.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b50355c7-cc42-44c6-bfc6-4d9982578850/kingdom_come_deliverance_uralte_karte_3.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/1966/3522/files/98106477901.pdfIn PDF document text
  • https://s3.amazonaws.com/wegugus/61523403278.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/71b1980b-8cbe-418b-abed-11d42c306e9d/zozulufi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/6953/4108/files/airway_obstruction_management.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_off00007245.bin)

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