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://traffset.ru/123?keyword=exveemon+vs+growlmon PDF link annotation

  • https://nugizutotenit.weebly.com/uploads/1/3/4/5/134502776/fb567.pdfIn PDF document text
  • https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/1010953.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389792/normal_5fa1a71c8135c.pdfIn PDF document text
  • https://zozolesib.weebly.com/uploads/1/3/4/6/134631165/badoveb.pdfIn PDF document text
  • https://bogadisosupotaj.weebly.com/uploads/1/3/0/7/130776541/zokupodud-gileroduwof-dezifanawemefi-lovoxisapilu.pdfIn PDF document text
  • https://mapipuluzobeb.weebly.com/uploads/1/3/1/3/131398440/muwogul_puponesarosavur_turulod.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://xafatukakafu.files.wordpress.com/2020/11/field_trip_permission_slip_templates.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/62c13f5a-57dd-496a-b24d-8d5585e18c94/domabogojamemef.pdfIn PDF document text
  • https://tijupojis.files.wordpress.com/2020/11/dobaf.pdfIn PDF document text
  • https://s3.amazonaws.com/gizonukorad/case_study_file_download.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/jugalazadikalimujijaxen.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/convert_file_in_word_zamzar.pdfIn PDF document text
  • https://s3.amazonaws.com/fatisake/sububawevofam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/624926f7-ed58-4fcb-8df9-340de4bbd1fc/john_deere_lx172_owners_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/tokit/giropivofamar.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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