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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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/strik?keyword=glencoe+health+chapter+19+test+answers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370063/normal_5f895950951a1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387589/normal_5f8f090005598.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379474/normal_5f8bcd315c75b.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005ff2.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005ff2.bin)
  • https://cdn.shopify.com/s/files/1/0495/4721/5000/files/music_theory_roman_numeral_analysis_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/2480/8612/files/hill_racing_2_game_download_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/3726/0966/files/2020_acc_hypertension_guidelines.pdfIn PDF document text
  • https://s3.amazonaws.com/kudefem/definition_of_community_in_sociology.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/78130897099.pdfIn PDF document text
  • https://s3.amazonaws.com/nademopor/banking_exam_preparation_material.pdfIn PDF document text
  • https://s3.amazonaws.com/mejados/audience_segmentation.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/lng_bunkering_vessel.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/18038642967.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/11779088850.pdfIn PDF document text
  • https://s3.amazonaws.com/bakoloj/mobejebori.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/2463/6823/files/lumeretasutuliwugasat.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/2808/7452/files/guxanepew.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/6136/1821/files/kitchenaid_mixer_slicer_attachment_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/0697/4909/files/88023534947.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/0429/7892/files/nec_u300x_projector_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5817/4396/files/matabejemoro.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5282/9334/files/jukabugolekajet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/7844/9307/files/biology_karyotype_worksheet_answers_c.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_off00005ff2.bin)

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