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=games+needed+for+gmod PDF link annotation

  • https://zixotojene.weebly.com/uploads/1/3/4/3/134315054/pewawate.pdfIn PDF document text
  • https://vudizexifaret.weebly.com/uploads/1/3/4/3/134314381/f182751ff4b968.pdfIn PDF document text
  • https://sijevunima.weebly.com/uploads/1/3/1/8/131859613/9591872.pdfIn PDF document text
  • https://bawigadumifop.weebly.com/uploads/1/3/4/4/134494387/besig-torod-nadugixawajuwat-rukudez.pdfIn PDF document text
  • https://tufobedix.weebly.com/uploads/1/3/4/4/134431979/rogoxet.pdfIn PDF document text
  • https://revokaraso.weebly.com/uploads/1/3/4/3/134320841/kanivudinogi-durorod.pdfIn PDF document text
  • https://sadixudodexoz.weebly.com/uploads/1/3/4/2/134234615/6084200.pdfIn PDF document text
  • https://wovuxekas.weebly.com/uploads/1/3/4/3/134379471/4383975.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/mupukesunobaga/dnd_5e_peasant_railgun.pdfIn PDF document text
  • https://s3.amazonaws.com/widuxade/vifafo.pdfIn PDF document text
  • https://s3.amazonaws.com/gorajikunobixi/pokemon_showdown_beta.pdfIn PDF document text
  • https://s3.amazonaws.com/wuniku/impulse_control_activities.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/xisitudodamonanomidome.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/talazilod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e57dac93-bff5-4787-9373-6de04de7d680/lolorezeduputa.pdfIn PDF document text
  • https://s3.amazonaws.com/wumodukubaru/cuba_nm_weather_monthly.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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