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://cctraff.ru/aws?keyword=keto+reset+diet+recipes+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4376127/normal_5f8b7bb56659e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403824/normal_5f9592945886f.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007484.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007484.bin)
  • https://cdn.shopify.com/s/files/1/0268/7411/8325/files/namupemitezemo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/5318/7223/files/latex_tabular_environment.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/9516/0511/files/sofevute.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6705/6023/files/higher_status_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4099/6519/files/holes_in_the_floor_of_heaven_chords.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/838ebc16-6369-4e25-a4ec-dcb428862220/manual_dodge_nitro_2008_en_espaol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/21a922c2-bb22-4949-b2ef-3f0041734d9e/53743562100.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0503431c-d747-410c-97be-4896368b56cd/97536847122.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4d34e1f9-b29e-4162-9493-84308f7ca073/gipili.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/58d0d43e-bbdb-430e-8580-14e60b28a71a/supuwupebukividogobuf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2af707a1-d17e-47d6-aad7-a403dc68e2cd/28904459515.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db95391e-1241-4532-acdd-5f2aaaedfcdf/38790252103.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/advocates_remuneration_order_2014_kenya.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/aerodynamic_aviation.pdfIn PDF document text
  • https://s3.amazonaws.com/lebaxa/affective_domain_objectives_examples.pdfIn PDF document text
  • https://s3.amazonaws.com/bivanud/bloom_s_taxonomy_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/english_grammar_for_class_2.pdfIn PDF document text
  • https://s3.amazonaws.com/tetofamuxulil/ice_cream.pdfIn PDF document text
  • https://s3.amazonaws.com/taturi/jspdf_autotable_multiple_tables_example.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_off00007484.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000aa3a.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000aa3a.bin)

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