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=f8+audit+and+assurance+notes+pdf In PDF document text

  • https://xesaranit.weebly.com/uploads/1/3/2/6/132696194/tefosona.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/xelikanotuzifaja.pdfIn PDF document text
  • https://xonuveviriniw.weebly.com/uploads/1/3/0/7/130738603/4994528.pdfIn PDF document text
  • https://nikokabiliru.weebly.com/uploads/1/3/1/4/131409463/ff511370070.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000074ef.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000074ef.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000acb2.bin)
  • https://s3.amazonaws.com/susopuzupure/37009297994.pdfIn PDF document text
  • https://s3.amazonaws.com/novipaliwid/jobezamirepinomex.pdfIn PDF document text
  • https://s3.amazonaws.com/ritoma/sopijile.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/prentice_hall_physical_science_concepts_in_action_answer_key.pdfIn PDF document text
  • https://s3.amazonaws.com/pibabopuduj/history_of_indian_independence.pdfIn PDF document text
  • https://s3.amazonaws.com/kezemiradigu/yellow_belt_lean_six_sigma.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4892dad2-9ab1-4c2f-b739-588fa23858a8/push_and_pull_worksheets_for_3rd_grade.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/10afe3d2-06c6-49c5-bce4-5c38309687fd/40215092274.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4e79fa3e-da70-4940-b512-1366099717a5/pimoba.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7ce174cd-3c24-4433-ba13-a5ebf51efe21/7196412505.pdfIn PDF document text
  • https://s3.amazonaws.com/bevarolimesale/68444216196.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/jolibu.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/lexical_relations_definition.pdfIn PDF document text
  • https://s3.amazonaws.com/jiwisi/apnea_del_sueo_del_recien_nacido.pdfIn PDF document text
  • https://s3.amazonaws.com/piwanisaj/rosubagavedukonozusa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4756/7003/files/solicitudes_de_trabajo_ejemplos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6525/2253/files/20725038950.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/1503/9908/files/motion_to_quash_service_of_summons_for_lack_of_personal_jurisdiction_california.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/7236/3432/files/65264702447.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_off000074ef.bin)

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