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://ttraff.ru/wix?keyword=apache+open+office+free++64+bit In PDF document text

  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • http://www.opentle.orgIn PDF document text
  • https://static.usrfiles.com/ugd/d4a9d6_2d7a943040884f6d998e69998c4f253f.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b8c837_927c2bf494ff478d8ebdfe818e39c2e7.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/5bb01c_4246749f410b4e0981f01b51f4e7fbcc.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/12daa7_f656ac1405bf422eafd25d62fea661cb.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/5be868_3ba494b24a1941d4bac099208f7bbdb6.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b8c837_d160ce30a08f43b8a5703c44dd9143de.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b8c837_00b3d5b5938c44d1b04ac96dc5199399.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/9ff9b8_27bfbd6805b343fcbc5617f8ed7ac149.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/6924eb_a5a33ea2913f4a24a0f472f233df5963.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0461/0926/1987/files/rpg_maker_mv.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0840/1316/files/template_diagrama_de_causa_e_efeito.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5486/6333/files/consumer_reports_best_used_vehicles_under_20000.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/21286066848.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/6055/2085/files/xixusepategiturutifa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/3949/6094/files/zixizug.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/7001/9998/files/36021779013.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
  • http://www.gnu.org/licenses/lgpl.htmlRegularDanhHongIn PDF document text
  • http://www.geocities.com/dnhhngIn PDF document text
  • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

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