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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://resalured.ru/wix?keyword=matchbox+models+of+yesteryear+price+guide PDF link annotation

  • https://cdn.sqhk.co/xuxovunevo/hchJshC/vulerizojoletadonewi.pdfIn PDF document text
  • https://cdn.sqhk.co/tutabalero/sjgPNjg/translate_web_page_chrome_mac.pdfIn PDF document text
  • http://talobaniwi.iblogger.org/7796582079.pdfIn PDF document text
  • http://memisada.mygamesonline.org/2245683502.pdfIn PDF document text
  • https://cdn.sqhk.co/jagojixego/wjgihjd/tinilefenabowuxiw.pdfIn PDF document text
  • https://cdn.sqhk.co/sanevujaguda/hcmDJRf/65214906211.pdfIn PDF document text
  • http://bumufirila.mygamesonline.org/green_belt_training_material.pdfIn PDF document text
  • https://cdn.sqhk.co/gidenateg/ii5zJia/condos_for_sale_in_bay_harbor_islands_florida.pdfIn macro / runtime command snippet
  • http://boderuj.iblogger.org/81489667522.pdfIn PDF document text
  • https://cdn.sqhk.co/mugegiduveb/XmIULii/kefudilefe.pdfIn PDF document text
  • https://cdn.sqhk.co/renosopezare/PrQgiTg/54472127405.pdfIn PDF document text
  • http://bumufirila.mygamesonline.org/gIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://zideniniwos.epizy.com/24969819696.pdfIn PDF document text
  • https://9849c7ec-8b19-4b81-9a64-db2537ea7c40.filesusr.com/ugd/97b1c0_796b7e2d4aae4a5c8331a45b9e2161e8.pdf?index=trueIn PDF document text
  • https://7f06b679-e14d-4525-8955-d56a7cf6f710.filesusr.com/ugd/79e5df_37b646f54a7c46eb89009f5d2a1a55a3.pdf?index=trueIn PDF document text
  • http://jitawidavez.atwebpages.com/daily_english_conversation_practice_by_topic.pdfIn PDF document text
  • https://9539e3d7-93ad-434a-85ac-22bd9bdb82bb.filesusr.com/ugd/df7b34_e6d0541c76084607b33863380d2946c2.pdf?index=trueIn PDF document text
  • https://e7e1611e-f78d-4dfd-b5ce-3be5f579732f.filesusr.com/ugd/4b76a6_967e08b96bcc4b11b9474514c6d47bc1.pdf?index=trueIn PDF document text
  • https://9c43cb74-45e3-47de-9527-fda2e8336169.filesusr.com/ugd/af0aa9_9a81d578970046d8a49677943d5ca53b.pdf?index=trueIn PDF document text
  • https://436010f1-0dd7-4950-aec0-3bdf337573e8.filesusr.com/ugd/5a4c69_7f4fd79c7c07497e80fe6d8bb40cb71b.pdf?index=trueIn PDF document text
  • https://ee67c5b3-b4d3-4257-b425-af55881d3a68.filesusr.com/ugd/c60da7_9bd97891858e479e988eee880d700ca1.pdf?index=trueIn PDF document text
  • https://6376acfe-5884-4251-b3d5-19a03c044549.filesusr.com/ugd/de3d83_3b15498981d04f3482aca42845344056.pdf?index=trueIn PDF document text
  • https://4bf641bf-117a-4913-931f-55e49063997f.filesusr.com/ugd/5befcb_3bb54c852a0349e6a0e58177cc7ead9f.pdf?index=trueIn PDF document text
  • http://sulorowanutabu.atwebpages.com/does_praying_help_depression.pdfIn PDF document text
  • http://vodetovite.epizy.com/adobe_reader_apk_for_windows.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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