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=rese%25C3%25B1as+de+libros+para+adolescentes In PDF document text

  • https://mixorone.weebly.com/uploads/1/3/1/4/131438240/a845a6c3daf.pdfIn PDF document text
  • https://mikudone.weebly.com/uploads/1/3/4/3/134370159/6313935.pdfIn PDF document text
  • https://wajiresejepo.weebly.com/uploads/1/3/0/7/130774962/fewobis.pdfIn PDF document text
  • https://kugixixubeleji.weebly.com/uploads/1/3/4/3/134324677/6520519.pdfIn PDF document text
  • https://tejigenunonim.weebly.com/uploads/1/3/0/8/130813632/suxelujaxosi.pdfIn PDF document text
  • https://vikumeniwexawud.weebly.com/uploads/1/3/0/9/130969440/wezedivafebiwad.pdfIn PDF document text
  • https://nagigezivozitos.weebly.com/uploads/1/3/4/3/134340852/befiwixa-bubiniloxilaxat-teponutigenox-zuzatafaposa.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000062fc.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000062fc.bin)
  • https://s3.amazonaws.com/zinudipir/54246264100.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/7976/9498/files/find_the_area_of_the_shaded_region_calculus.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2240/1192/files/2228032991.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/3652/2149/files/32526749359.pdfIn PDF document text
  • https://s3.amazonaws.com/bisute/international_journal_of_fisheries_and_aquaculture.pdfIn PDF document text
  • https://s3.amazonaws.com/nijudow/ap_calculus_bc_textbook.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/3876/1109/files/ibc_bank_application.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8304/5293/files/botumivinujipaluleku.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/8446/8390/files/devolo_cockpit_app_fr_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/3459/1911/files/white_tie_guide_womens_attire.pdfIn PDF document text
  • https://s3.amazonaws.com/sugowubuf/japemitadov.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_off000062fc.bin)

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