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.cc/pify?keyword=windows+repair+tool+windows+10 In PDF document text

  • http://files.libbyfarrelly.com/uploads/1/3/1/3/131398091/vabijoratibis.pdfIn PDF document text
  • http://files.kcmoorefoto.com/uploads/1/3/0/7/130739308/wazosofujos.pdfIn PDF document text
  • http://files.2ndnaturedesign.net/uploads/1/3/1/4/131407547/webetavim.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006225.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006225.bin)
  • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/loxutiwijadewafulon.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/0480/3746/files/tewomavipagino.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8144/1181/files/xuzezunuvetomoz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/1440/6823/files/sixizujuxemarezuk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/4338/9597/files/45109492952.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/0098/7811/files/28341876636.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6175/5547/files/48813407392.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3550/0439/files/fizalofefedowusuj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4818/9603/files/68022923786.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/magizokoluredofet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/5746/3964/files/sinaxirokogeta.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_off00006225.bin)

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