Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://xezojetit.ru/wix?keyword=how+to+find+greentext+on+4chan PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4416666/normal_5fd681645b6b8.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4474985/normal_600063238011a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411696/normal_603685a8522ff.pdfIn PDF document text
  • http://lodomujimujug.mywebcommunity.org/how_to_start_internal_audit_of_a_company.pdfIn PDF document text
  • http://gaxenop.medianewsonline.com/75204730474.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4415543/normal_5fccb56f75267.pdfIn PDF document text
  • https://lomamunapud.weebly.com/uploads/1/3/5/3/135315780/kibitofesirikifiw.pdfIn PDF document text
  • http://rezubodojel.medianewsonline.com/45569454464.pdfIn PDF document text
  • https://larulesa.weebly.com/uploads/1/3/4/7/134717423/kufamirexuwive.pdfIn PDF document text
  • http://kurixuj.sportsontheweb.net/ib_2020_exam_dates.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4379038/normal_5ff8afe76d24f.pdfIn PDF document text
  • https://xezojetit.ru/wix?keyword=how+to+find+greentext+oPDF link annotation
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://f904ef53-caa1-4f0f-8a97-c50675c03ece.filesusr.com/ugd/2f8cea_614d23ab4aa443d3be2a2c188ddb5e85.pdf?index=trueIn macro / runtime command snippet
  • https://66c7139a-03c0-45fe-98d3-e817d1e01442.filesusr.com/ugd/de2db5_87c8a2bf979c43109ffd48b1b117cd96.pdf?index=trueIn PDF document text
  • http://roporuti.onlinewebshop.net/zakusipakezegade.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e0082f33-a218-4c01-b353-931fde634097/makamupo.pdfIn PDF document text
  • https://4bd9ed84-c80b-4837-bb2f-b1353ebfd8aa.filesusr.com/ugd/5a1791_4d25b3df3d794eddb0e0d4e4e66c4e6f.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c9afd30-1ab8-4b7a-83eb-acf37f83b018/vagabiniw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b16a4d0d-340e-41a8-9469-af27235a598a/corporate_identity__corporate_design_4.0_das_kompendium.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d9aa75ba-b883-4715-89a8-d45be566d630/tifejewilazojevaki.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/336c67a8-6155-4a37-860e-1c1928e02a62/20849777448.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/38c058c9-0be8-4ddf-bae8-a62f25de3787/little_house_on_the_prairie_season_1_episode_5_full_episode.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/012de643-4cf5-44ae-92d7-bcb275c09fa3/chartered_financial_analyst_course_duration.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/792f5c7a-abc0-4e2a-9ca5-8691f7639dd5/91863143726.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1cb154ce-c7f0-49d6-af94-255edea5a261/audio_technica_lp60xbt_bluetooth_turntable.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ce40bff1-6a60-445e-8661-481f2ece4653/vadozatudukozekodekit.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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