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://cctraff.ru/strik?keyword=l%2527+attrape+coeur+j.+d+salinger+pdf In PDF document text

  • http://saxanegop.ronnie-chung.com/uploads/1/3/2/3/132302855/fumosodaxisej.pdfIn PDF document text
  • https://site-1037003.mozfiles.com/files/1037003/fofafad.pdfIn PDF document text
  • https://site-1036651.mozfiles.com/files/1036651/42831639591.pdfIn PDF document text
  • https://site-1036852.mozfiles.com/files/1036852/79539694796.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/11b9c287-5f64-43ab-985b-532b255ce20a/20142646430.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/84dc8b22-b565-4919-a27a-829749622462/loselitobukizofa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cf5eab6d-f6ae-4da7-91bd-13d41be4ff92/565439123.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1588e7f4-228c-417c-92fe-b04f56e4da46/ruvobiponorilewe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/1016/2837/files/6558105819.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1991/7717/files/rijutawugezugoga.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/3719/9002/files/gonijaxokazoxuposewikat.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/9401/6157/files/90928755834.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/5923/4984/files/word_problems_keywords_chart.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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