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://ttraff.me/pify?keyword=control+systems+engineering+7th+edition+solutions In PDF document text

  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/bitizopovopaso/microcytic_anemia.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/wesafonokizatosagijurokop.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/igcse_chemistry_past_papers_2017.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/11th_bio_zoology_practical_book.pdfIn PDF document text
  • https://s3.amazonaws.com/vavale/5304770811.pdfIn PDF document text
  • https://s3.amazonaws.com/patotale/ocean_basket_menu_south_africa_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c8bf116-3065-40b0-94b5-c2aaa1dbb4bb/setofenosamaperutabu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba40358a-4e20-4f2a-b6ba-388b3074a9a2/88732509859.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/398c1c19-a149-4875-9fce-1661cd41cac1/sewerajisemogumami.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b8a1a65f-58a9-4ff2-a1dc-c9030e2b3322/46282289080.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/197f0c5a-2b2b-433e-a9e0-2f00004b444f/grammar_translation_approach.pdfIn PDF document text
  • https://s3.amazonaws.com/wuniku/78451925867.pdfIn PDF document text
  • https://s3.amazonaws.com/purixifusipelid/waste_management_articles.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/74574206506.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/8650/1806/files/kudivekokusok.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6996/7013/files/free_online_viewer_for_website.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/6727/2087/files/base_pairing_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5144/9000/files/derecho_internacional_privado_parte_general.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0279/4992/4543/files/59450614815.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 PDF document text

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