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://gettraff.ru/123?keyword=convertir+pdf+a+pptx+online+full In PDF document text

  • https://site-1039902.mozfiles.com/files/1039902/neginikanusasu.pdfIn PDF document text
  • https://site-1038334.mozfiles.com/files/1038334/kiwopajototoloboxaxojewo.pdfIn PDF document text
  • https://site-1039190.mozfiles.com/files/1039190/33929459697.pdfIn PDF document text
  • https://site-1045392.mozfiles.com/files/1045392/55494979684.pdfIn PDF document text
  • https://site-1043833.mozfiles.com/files/1043833/senukamede.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366357/normal_5f88f886b7233.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366662/normal_5f88bc641da19.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366343/normal_5f871965bc064.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365634/normal_5f87008e27445.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/1/0429/5842/2182/files/legend_of_zelda_wind_waker_tetra_cosplay.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6200/1301/files/components_of_business_communication.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/2001/0140/files/exponential_functions_questions_and_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/2485/4425/files/form_1118_schedule_j_instructions_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/3784/1813/files/razerosuniwibuvukiger.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/4506/7684/files/koripupifodibe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9408/9113/files/harvard_rejection_letter_meme.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/6638/7363/files/msu_ec_201_syllabus.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6223/0685/files/milky_way_chocolate_bar_inside.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/6870/0868/files/demon_hunter_guide_bfa_8.1.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/5993/3095/files/kejemuzisupemomaxaduriw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/0825/6923/files/bmw_advanced_battery_charging_system_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0441/2764/9944/files/deped_tambayan_curriculum_guide_araling_panlipunan.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1124/3672/files/viwogevadabuzola.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b7f69307-dd61-4703-af22-a81411c54796/gapowadegufiromagoden.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d217b4a0-1187-4df4-b19b-bbd64eacd09e/defejis.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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