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://ggtraff.ru/strik?keyword=exothermic+and+endothermic+reactions+worksheet+answers In PDF document text

  • http://wadise.forb-learning.org/uploads/1/3/0/7/130775364/8213696.pdfIn PDF document text
  • http://rifog.goldcoastscience.net/uploads/1/3/0/8/130814758/namijopitovuwidimaje.pdfIn PDF document text
  • http://files.lindathurd.com/uploads/1/3/1/1/131163902/6827356.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off00007471.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off00007471.bin)
  • http://www.daltonmaag.com/In extracted file (font_04_sfnt_off0000bcb2.bin)
  • https://cdn.shopify.com/s/files/1/0437/8948/4190/files/bexenufob.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8741/2900/files/52986789455.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1560/9243/files/guzibatikifuxavuko.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/3867/6894/files/writ_of_restitution_michigan.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6654/6583/files/setting_free_crossword_clue.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d234147-a3db-47c2-98b3-b36fcbe5ae72/60035114202.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f5b7d0a2-0022-4e33-a937-d024dd9eb706/titezarivevojabefebalebav.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7737b1d7-1937-4acd-8d1c-5777240f2751/45244912982.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5cfc21c6-b808-4d32-961a-cf515d9dd003/wakoxuluzomanudab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/703d4710-6003-4ab2-a1b3-5e35380345e9/gimexowijuxidimijasok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/caec21c7-dbe6-41ac-bbb9-42da2c53eba9/wivenolilagex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b4da4546-654c-43d3-bb3b-d99a31743fe3/gomavegesaxuwa.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
  • https://savannah.gnu.org/projects/freefont/In extracted file (font_00_sfnt_off0000643c.bin)
  • http://www.gnu.org/licenses/In extracted file (font_00_sfnt_off0000643c.bin)
  • http://www.gnu.org/copyleft/gpl.htmlIn extracted file (font_00_sfnt_off0000643c.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_01_sfnt_off00007471.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0000a7ae.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0000a7ae.bin)

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