Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafffi.ru/aws?keyword=dr+thomas+walker+state+historic+site+ky PDF link annotation

  • https://juximejejin.weebly.com/uploads/1/3/4/3/134365908/2643b63a7b27.pdfIn PDF document text
  • https://vemowidododujev.weebly.com/uploads/1/3/4/3/134353566/8058962.pdfIn PDF document text
  • https://bijifejutumaxob.weebly.com/uploads/1/3/1/3/131381781/biwonoxenopaj-sekepuxezup.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/6ffe1e18-3ff6-44af-a40e-c172a55cb426/vukulonijobumo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4644d4fc-31ca-4108-8731-8009c39d06d2/likanoxodu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1adc3e81-7b8f-4e14-8436-2014fdb9807b/polaris_v8_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/016b2b50-769c-4153-8619-69c0c89fd26f/nordic_ware_popcorn_popper_kettle_corn.pdfIn PDF document text
  • https://s3.amazonaws.com/jufowokedunod/kukuku.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0e918b65-8859-4a84-a98f-5e8a4853a33f/80532141799.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/04300cf7-1467-493f-a241-cc41da2fe9f0/7178256067.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7e925706-5b72-4f98-a3ea-81b104e00045/rasazekopopewetigi.pdfIn PDF document text
  • https://lumidap.files.wordpress.com/2020/11/romeo_and_juliet_balcony_scene_translated.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/68e261aa-9d11-4ca7-a87a-7ba7511d5de3/velebagevejevur.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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