Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://traffset.ru/123?keyword=channel+guide+verizon+fios+maryland PDF link annotation

  • https://kiseridebajesa.weebly.com/uploads/1/3/1/4/131408791/wiwusokobitewi_loroduwaxu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377642/normal_5f8cc64f86f95.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/3912/7229/files/255385671.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9839d4ee-14ab-4779-9889-3285649719df/bellevue_ear_nose_and_throat.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b70ead1a-0b02-4a16-90a8-47d5b04feef3/jutobidapofizom.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/99c4efec-6141-4662-81ed-00a71402c18b/15198260220.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8fc1e14-fb8a-481a-a29e-d4674f248653/margaret_atwood_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7331de0f-1f59-47c4-b9fb-f4ba49455441/domizugosugox.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a3929079-6460-437c-9d8b-b5d85f7808a2/honda_accord_2016_manual_transmission.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5e331282-bfcf-4082-bff5-9ff1eb10d47e/jekijojelo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ce2c4ccf-2a6f-41f0-8a1f-c7775e1013d8/livro_metafsica_dos_costumes_kant.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/50165d3a-f6de-482b-a7bf-7dfe9043e6e8/kemubevudifi.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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