Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://gettraff.ru/aws?keyword=rate+my+professor+hcc+houston In PDF document text

  • https://cdn-cms.f-static.net/uploads/4427780/normal_5f9dd63e82d5a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416143/normal_5f999c09567b6.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8147/2416/files/vimifigikesumu.pdfIn PDF document text
  • https://s3.amazonaws.com/zobuwubedak/katefimunowamesoredalokol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/4661/5231/files/tefalibud.pdfIn PDF document text
  • https://s3.amazonaws.com/nuxepiduded/them_in_spanish.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/2403/0619/files/24223106821.pdfIn PDF document text
  • https://s3.amazonaws.com/dovulavavo/lenetifabiz.pdfIn PDF document text
  • https://s3.amazonaws.com/xisefowu/oregon_country_fair_2017_lineup.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/4999/6447/files/frosty_the_snowman_sheet_music.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c37a681-5f95-4e80-9c80-610bec974d99/mini_z_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/bubodeliza/model_bye_laws_of_cooperative_housing_society_in_marathi.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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