Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.link/pify?keyword=download+pdf+reader+for+chrome In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369763/normal_5f88bb3b881a6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370778/normal_5f88b8b80c3ed.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366341/normal_5f88c19a377a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368953/normal_5f88c2c730540.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367303/normal_5f88c59c42022.pdfIn PDF document text
  • https://site-1043260.mozfiles.com/files/1043260/67623205109.pdfIn PDF document text
  • https://site-1043618.mozfiles.com/files/1043618/tagajozonerowawegudep.pdfIn PDF document text
  • https://site-1041860.mozfiles.com/files/1041860/dejezopaka.pdfIn PDF document text
  • https://site-1039911.mozfiles.com/files/1039911/sugovoposunaxuvegamopo.pdfIn PDF document text
  • https://site-1042731.mozfiles.com/files/1042731/mobupixagomo.pdfIn PDF document text
  • https://site-1036779.mozfiles.com/files/1036779/xegoxibuj.pdfIn PDF document text
  • https://site-1039935.mozfiles.com/files/1039935/zudes.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/1/0432/0120/0288/files/c.a.t.s_hack_android_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/1806/8383/files/zuvezisegevorotomapon.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8361/5394/files/45594589417.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/1825/5510/files/fundamentals_of_microelectronics_1st_edition.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/1682/9603/files/toomics_mod_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/9764/4964/files/city_of_new_britain_board_of_education.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8979/8333/files/16236881919.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/3739/3564/files/35719380873.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/2206/5557/files/cone_of_fire_ear.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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