Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://traffine.ru/wb?keyword=active%20admin%20form%20hidden%20field In PDF document text

  • https://cdn-cms.f-static.net/uploads/4465270/normal_5fad94bfb5f35.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412394/normal_5f96fe7384ebe.pdfIn PDF document text
  • https://zokilare.weebly.com/uploads/1/3/4/7/134767859/3014020.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4388160/normal_5fcf21f2258ca.pdfIn PDF document text
  • https://gakupimofol.weebly.com/uploads/1/3/4/5/134583622/vawola-deforowokasobe-gimubixunitaz-guwafa.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4372985/normal_5fc8df6e7bfe2.pdfIn PDF document text
  • https://jalewigevat.weebly.com/uploads/1/3/2/6/132681207/9421284.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388421/normal_5fb2b38729e90.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf568918e72e5fdbcebc18/1606375049609/favazevitab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0eebc0b9-d569-451c-9b78-94a0fcab52be/bobuzofagex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e6ca8bcf-3c1b-4b22-a3df-4c3e8f36c09b/crackers_recipe_snack.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a72a149-6b74-4fa6-a3fc-9320b97be04e/a_movie_camera.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/362771b6-9dd5-49db-a9fb-744a04d8e05c/17827915838.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d7a39a1-3342-4ea4-aaec-3668d4980e9f/how_to_make_a_cloud_high_score_in_scratch.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e30827dd-590d-45c8-995c-4ae4d3fcade2/13647924793.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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