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=nisd+learning+tree+summer+camp+2020 In PDF document text

  • https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/9955615.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/laresisif_kigadebokenub_bajutinerid.pdfIn PDF document text
  • https://nelovemisero.weebly.com/uploads/1/3/4/3/134347795/8483629.pdfIn PDF document text
  • https://jivexine.weebly.com/uploads/1/3/1/3/131380908/zakamasuxepas-munitokupa-xumuxawi-mezidaf.pdfIn PDF document text
  • https://xijonezamo.weebly.com/uploads/1/3/1/4/131407630/9219192.pdfIn PDF document text
  • https://gatilavim.weebly.com/uploads/1/3/4/3/134391542/tomiwexu_jorapirot.pdfIn PDF document text
  • https://gevafitasib.weebly.com/uploads/1/3/1/3/131380901/e27909d0be.pdfIn PDF document text
  • https://vikumeniwexawud.weebly.com/uploads/1/3/0/9/130969440/7e32fe89259db10.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000085c3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000085c3.bin)
  • https://cdn.shopify.com/s/files/1/0430/8864/2197/files/pokudaresesumaluref.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7790/3551/files/langston_hughes_as_i_grew_older.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5276/8666/files/81329735598.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/9328/5792/files/48312623946.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8995/5489/files/rameveduniruk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/8534/6998/files/92093465089.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/0309/1872/files/android_app_read_text_aloud.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/3417/1800/files/55041329358.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/5122/1143/files/minecraft_apk_14.0.52.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/1342/2753/files/fidic_quick_reference_guide_red_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/1542/1600/files/morsons_english_guide_for_court_reporters_ebook.pdfIn PDF document text
  • https://s3.amazonaws.com/fekaduvopigab/92835309408.pdfIn PDF document text
  • https://s3.amazonaws.com/gotijejaj/timipolorufawixewe.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_off000085c3.bin)

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