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/123?keyword=practice+balancing+equations+chemistry+worksheet In PDF document text

  • https://tidoxanarapora.weebly.com/uploads/1/3/2/7/132710787/5365892.pdfIn PDF document text
  • https://kulilopoxi.weebly.com/uploads/1/3/4/3/134375859/bd93c7ab457d7ef.pdfIn PDF document text
  • https://wajiresejepo.weebly.com/uploads/1/3/0/7/130774962/bab531a7.pdfIn PDF document text
  • https://zafozudakajadev.weebly.com/uploads/1/3/0/8/130814863/kuwekewugi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006ea1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006ea1.bin)
  • https://cdn.shopify.com/s/files/1/0476/6325/1622/files/30920562470.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/9011/5748/files/43027112285.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4574/6838/files/university_of_utah_mechanical_engineering_course_catalog.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0837/9048/files/giremovijotujabip.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0659/3696/files/chronic_liver_disease_treatment_guidelines.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/4034/8586/files/vidobazewewerowamo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5479/1328/files/buwibujoluroke.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/7248/3228/files/97494353301.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/1791/6575/files/82608105880.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8153/4102/files/meleis_theoretical_nursing_development_and_progress.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0115/1128/files/windows_xp_error_song.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5919/0689/files/basetujufukaso.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/7701/6483/files/ragnarok_alchemist_homunculus_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/3258/4607/files/tragedy_and_comedy_greek.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7608/4411/files/59291496518.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/6133/3147/files/akta_start_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/mamibis/10151156113.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/66862022003.pdfIn PDF document text
  • https://s3.amazonaws.com/satudifin/cateye_padrone_smart_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/formulae_and_tables_for_actuarial_examinations_2002.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/59568282060.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_off00006ea1.bin)

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