Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://maypoin.ru/wb?keyword=not%20acceptable%20format%20json%20drupal%208 PDF link annotation

  • https://gagakulusete.weebly.com/uploads/1/3/5/3/135326625/nevej-memefamana.pdfIn PDF document text
  • https://cdn.sqhk.co/zogobadakedu/Rjeiigi/online_multiplayer_shooting_games_on_browser.pdfIn PDF document text
  • https://cdn.sqhk.co/ketejeti/Lhaihj4/eddie_jungle_world_adventureland.pdfIn PDF document text
  • https://numeroluxovuz.weebly.com/uploads/1/3/4/7/134733954/rolalene-kixuvusobak-biguvalutinetox-buredud.pdfIn PDF document text
  • https://fegojobakib.weebly.com/uploads/1/3/1/1/131163858/semakip.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4498978/normal_6017882b99b1b.pdfIn PDF document text
  • https://nolizusumebixaz.weebly.com/uploads/1/3/1/4/131438071/478462.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4444351/normal_5ff8ab69e4b5d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4501654/normal_600f12c5d6bbf.pdfIn PDF document text
  • https://cdn.sqhk.co/simirides/ihaE50C/descargar_space_invaders_infinity_gene_apk.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4530151/normal_5fd9e51fbef51.pdfIn PDF document text
  • https://cdn.sqhk.co/zufutetuwume/evGUhbo/jurowininasatovotefolaja.pdfIn PDF document text
  • https://totidulabi.weebly.com/uploads/1/3/1/6/131606487/7014085.pdfIn PDF document text
  • http://gusitolife.iblogger.org/10932055999.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/pibajuwi/handwriting_practice_sheets_for_middle_school.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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