Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://pugixodazujok.weebly.com/uploads/1/3/2/7/132710779/4141147.pdf.
• 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.
• 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://yafferge.ru/shook?utm_term=best+todo+list+app+free In PDF document text

  • https://pugixodazujok.weebly.com/uploads/1/3/2/7/132710779/4141147.pdfIn PDF document text
  • https://fawurefo.weebly.com/uploads/1/3/4/4/134441885/luseta_gizil.pdfIn PDF document text
  • http://digitalcalakk1.xyz/71335457329b1d2z.pdfIn PDF document text
  • https://cdn.sqhk.co/potasuregoz/jjiiN9X/excellence_barber_shop_hair_salon.pdfIn PDF document text
  • https://cdn.sqhk.co/tizudukokeni/nqih2ji/simply_piano_by_joytunes_itunes_store.pdfIn PDF document text
  • https://cdn.sqhk.co/jezuleku/jjbzheq/fobevagopanofalalidazo.pdfIn PDF document text
  • https://womerakuketuzal.weebly.com/uploads/1/3/1/8/131856195/3287887.pdfIn PDF document text
  • https://cdn.sqhk.co/fodibaniwe/chijjgV/word_cookies_cheat_apple.pdfIn PDF document text
  • https://cdn.sqhk.co/dikulodut/h7Q93en/snow_storm_superhero_apk_download.pdfIn PDF document text
  • http://zatoboyvibor.fun/rust_gui_applicationsndohx.pdfIn PDF document text
  • https://wigabededonekan.weebly.com/uploads/1/3/0/7/130740374/bugunesegivereg.pdfIn PDF document text
  • https://cdn.sqhk.co/fisejadiruw/eLaI9gg/squad_vs_zombies_game_play_online.pdfIn PDF document text
  • https://cdn.sqhk.co/fobonelaga/hekuYci/raystorm_ps1_gameplay.pdfIn PDF document text
  • https://cdn.sqhk.co/vilonunufuk/jhsbeHa/35814556813.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/tofizo/consumer_reports_cars_used.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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