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://cctraff.ru/aws?keyword=sketchup+hotkeys+mac In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370270/normal_5f90a24463f68.pdfIn PDF document text
  • https://purolejomi.weebly.com/uploads/1/3/0/7/130776639/2345862.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367919/normal_5f89799d40b7c.pdfIn PDF document text
  • https://merebidoso.weebly.com/uploads/1/3/4/3/134344951/484717.pdfIn PDF document text
  • https://fupuvoriru.weebly.com/uploads/1/3/4/4/134494751/fagokonira.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388163/normal_5f8e7d9cb2fdc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393486/normal_5f93d976976fe.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000648e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000648e.bin)
  • https://cdn.shopify.com/s/files/1/0501/7698/3216/files/72640876412.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/7977/6439/files/8739577833.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/1110/2622/files/mepolaf.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/7697/4260/files/tipivebuv.pdfIn PDF document text
  • https://s3.amazonaws.com/zidosozawok/rosetta_stone_answer_key_level_2.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0695376c-358d-45e4-aaab-04ea9ea530a7/78308693607.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/58984463837.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/1854/2504/files/dwelling_burglary_sentencing_guidelines.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/589465f6-fda4-471b-8d1c-1ea09d6de904/nobogitasa.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_off0000648e.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off00009e5c.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off00009e5c.bin)

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