Malicious PDF — malware analysis report

Static analysis result for SHA-256 98de0f8a192d1848…

MALICIOUS

PDF

69.7 KB Created: 2021-02-05 19:06:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: f2af45991cdb0d04c2d09f39463523dc SHA-1: 616167fcd78b704517a2d288b816d7770d22acef SHA-256: 98de0f8a192d1848a05204655d8b3f979c050140003a0126c51b05ed1bb027cc
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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 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://druttle.ru/wb?keyword=cushman%20wakefield%20vancouver%20office%20market%20report PDF link annotation
    • https://mamumudud.weebly.com/uploads/1/3/0/8/130814078/d4c4bb24a.pdfIn PDF document text
    • http://zizopeja.22web.org/futejigura.pdfIn PDF document text
    • https://satizivuzaked.weebly.com/uploads/1/3/4/3/134383512/welegeb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4474206/normal_5fe5aa1428004.pdfIn PDF document text
    • https://jojipizi.weebly.com/uploads/1/3/1/6/131606457/6995621.pdfIn PDF document text
    • https://konizalo.weebly.com/uploads/1/3/5/3/135388679/6444cc5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365541/normal_5ff9de90cea2b.pdfIn PDF document text
    • http://bobatukuxoto.iblogger.org/noxefim.pdfIn PDF document text
    • http://mini-cam1.club/auto_dealership_tycoon_pc_game_downloadp8v2d.pdfIn PDF document text
    • https://duresanu.weebly.com/uploads/1/3/5/3/135334900/68261483732.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/vebisop/excel_budget_template_for_event.pdfIn PDF document text
    • http://wazuvit.rf.gd/jedok.pdfIn PDF document text
    • http://finesegugumemo.epizy.com/88686124565.pdfIn PDF document text
    • http://benepuru.epizy.com/east_windsor_regional_school_district_salary_guide.pdfIn PDF document text
    • http://migukim.rf.gd/gikemidexosakibazolen.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d17c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD17C 5516 bytes
SHA-256: 5f16da892b099fd00c09f24614d2ff66076853d5deb29a9204520897d44566ae
font_01_sfnt_off0000e42a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE42A 11016 bytes
SHA-256: 862ad9a8fb8389e66ea2307ff90d863338755c2719cb4bfe37be8091ce06b213