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
• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://xezojetit.ru/strik?utm_term=what+does+summons+returned+served+mean PDF link annotation

  • http://wasegulom.mygamesonline.org/68279500818.pdfIn PDF document text
  • http://dress-russia.ru/latin_american_literature_famous_writers2yewz.pdfIn PDF document text
  • http://vvvvvvvvvvvvvvvvvvvvvb.xyz/mipugolisemifadeluriwa6cdi6.pdfIn PDF document text
  • https://mazoguwikite.weebly.com/uploads/1/3/4/6/134614920/nokizon.pdfIn PDF document text
  • https://zuzidoparifiga.weebly.com/uploads/1/3/5/3/135302874/welurufevaboxumomexa.pdfIn PDF document text
  • http://beautysale.site/acurite_rain_gauge_quit_workinggpnub.pdfIn PDF document text
  • http://xutexukoxobofi.mywebcommunity.org/delonghi_pac_a120el.pdfIn PDF document text
  • https://leruzifu.weebly.com/uploads/1/3/2/3/132302941/4745704.pdfIn PDF document text
  • https://mijipunipiju.weebly.com/uploads/1/3/1/4/131455283/a711893b3b.pdfIn PDF document text
  • http://changepass.online/ukulele_strumming_patterns_4_4d4fg6.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/81b011c4-77bb-4ffd-a103-ea0cff3e9499/new_york_baroque_dance_company.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e6bfa556-6876-445f-bad9-531623552701/much_ado_about_nothing_meaning_of_the_play.pdfIn PDF document text
  • https://s3.amazonaws.com/numegubowalonan/problems_in_analytic_geometry_kletenik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a6fa549d-a9cf-491d-8794-9ee37cbd1331/3105372252.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1607c0df-2d2e-4cd9-a93e-86bd31e56e9c/56759646552.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5be206b0-0d2b-4939-b8cd-16553f33ad0d/cortisone_shot_in_foot_pain_after.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cf6770d9-dec9-425a-b8e0-44d8566da8b1/mutaselimapixoxetes.pdfIn PDF document text
  • https://s3.amazonaws.com/fonazuzixagizir/bexodawor.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4dc513d7-3a50-4b31-93f2-0d8c87e0b883/99310117479.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4b3db78a-6b77-43be-b865-282b095f2e98/wowisefugekowinubagapow.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/028dc24c-3009-47f6-9b80-358173d56a49/how_to_use_a_diffuser_on_curly_hair.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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