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://lozipotod.ru/strik?utm_term=public+speaking+phobia+treatment PDF link annotation

  • https://raxagipob.weebly.com/uploads/1/3/4/8/134883443/966254.pdfIn PDF document text
  • https://jakugogafezokev.weebly.com/uploads/1/3/1/4/131437362/dutejimodilomufuwe.pdfIn PDF document text
  • https://sebupemisopuba.weebly.com/uploads/1/3/4/7/134706320/801e23.pdfIn macro / runtime command snippet
  • http://biluber.22web.org/77112935373.pdfIn PDF document text
  • http://probmake12.xyz/17122734006qs5yi.pdfIn PDF document text
  • http://smm-target.ru/how_to_convert_an_equation_to_slope_intercept_form_calculatorxgsqw.pdfIn PDF document text
  • http://lovewaits.ru/when_we_were_young_lyrics_passenger7z7xe.pdfIn PDF document text
  • http://lovepositions.info/northwest_territory_tent_manualswow2.pdfIn PDF document text
  • http://xexevigaje.22web.org/unit_circle_chart_worksheet.pdfIn PDF document text
  • http://zagiropi.22web.org/89887326864.pdfIn PDF document text
  • http://tusalolorow.22web.org/porter_cable_c2002_manual.pdfIn PDF document text
  • https://febapemideb.weebly.com/uploads/1/3/0/7/130738739/2751026.pdfIn PDF document text
  • https://labomozojaxige.weebly.com/uploads/1/3/0/7/130738499/rokurusexapozosapuz.pdfIn PDF document text
  • https://jakugogafezokev.weebIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://3f5765b5-411c-4b28-96d1-a1e3b219bcee.filesusr.com/ugd/ca847e_fa585111309742529e710fa8ca17598e.pdf?index=trueIn PDF document text
  • https://5c90cfa9-af55-48e2-9430-1f3580382729.filesusr.com/ugd/e2b09b_6612e2cdce81458da2a4aff5f3c93a2e.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/3f43fc44-5426-40de-8e31-9caa6027f393/windows_powershell_scripting_basics.pdfIn PDF document text
  • https://s3.amazonaws.com/bezutu/lopegijiw.pdfIn PDF document text
  • https://c3e810f9-371e-40b9-9a0b-4695a496ec77.filesusr.com/ugd/2c7c49_44145a33f76e4382ab119c85093c277a.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/dedinavesute/gepafomitofez.pdfIn PDF document text
  • https://s3.amazonaws.com/vavabi/zarchiver_pro_donate_apk_house.pdfIn PDF document text
  • https://e22e8d81-f41f-4d51-abb1-39b19d2d32bb.filesusr.com/ugd/96bf9d_422984af0aed40e6b737de1f7ec6a31c.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/c258465a-c999-4f64-b2a7-982943e702cb/nsf_sbir_submission_dates_2020.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/946bbad8-be3d-40c0-94d0-1579e896feda/potajiratefife.pdfIn PDF document text
  • https://s3.amazonaws.com/wivunonovef/aislante_termico_definicion.pdfIn PDF document text
  • https://770cee9b-59ea-4c2b-ae8d-aad83b0abb79.filesusr.com/ugd/8b25c7_b81ae0e18a744006978fbde9f9f20099.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f9c7bb3-b228-4248-8b06-def734d2bb0d/first_grade_spelling_worksheets_free_printable.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a13bb2b3-6810-497f-a3b4-f0945fd78895/bamibabixovitigulot.pdfIn PDF document text
  • https://s3.amazonaws.com/muxozuvalubi/3962130914.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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