Malicious PDF — malware analysis report

Static analysis result for SHA-256 2bdff669d8a019d2…

MALICIOUS

PDF

69.5 KB Created: 2021-02-27 00:42:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: fc2b0be5a6b06946557efb730c0ed08e SHA-1: 5cf195543ab940688127a85ee88646563fb92777 SHA-256: 2bdff669d8a019d2f96c21ddbbd02261912b90809c104f61b7f0764bfa8a450a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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 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://leonvi.ru/wix?keyword=kitchenaid+superba+refrigerator+troubleshooting+guide PDF link annotation
    • https://cdn.sqhk.co/susojareb/jzgdjhc/lubuguvotofug.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4394061/normal_5fcc5331a429b.pdfIn PDF document text
    • https://cdn.sqhk.co/xegogeji/gViggdB/82833524494.pdfIn PDF document text
    • https://cdn.sqhk.co/busumodofu/Tiagdse/juvamalaro.pdfIn PDF document text
    • https://cdn.sqhk.co/petawelesup/ibjfgfL/giliw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470385/normal_601a09fca2485.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4385427/normal_5fedb98fc7a8c.pdfIn PDF document text
    • https://cdn.sqhk.co/molodomo/hfiijev/prince_dress_up_outfit.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412151/normal_60118dfa0d14a.pdfIn PDF document text
    • http://zawugudumi.getenjoyment.net/what_is_the_best_process_improvement_methodology.pdfIn PDF document text
    • https://cdn.sqhk.co/gujowaxexag/hIe7uVB/fifa_world_cup_brasil_2014_ps3.pdfIn PDF document text
    • https://cdn.sqhk.co/jawuraxexije/khj2iis/animated_stickers_for_whats_wall.pdfIn PDF document text
    • https://cdn.sqhk.co/zupololano/jfdgdm3/fiwurivaxujofoke.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4372076/normal_5fcdbece01624.pdfIn PDF document text
    • https://cdn.sqhk.co/zajujuva/jg1ja47/6224094596.pdfIn PDF document text
    • http://forajadafogaxuv.medianewsonline.com/how_to_cook_jasmine_rice_in_a_power_cooker.pdfIn PDF document text
    • http://xawegap.mywebcommunity.org/que_es_la_linea_de_alba_en_el_embarazo.pdfIn PDF document text
    • http://rivozuzeno.mywebcommunity.org/57926161999.pdfIn PDF document text
    • http://fudoviwil.mywebcommunity.org/wisonepubozejiv.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://raxajabidadida.onlinewebshop.net/the_holy_quran_book.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_off0000d53c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD53C 5524 bytes
SHA-256: 8cc8d0436995d1d1b43e8a74a1a2d4dfd31eac2c3ffbb5c758c72767ee294b50
font_01_sfnt_off0000e800.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE800 9420 bytes
SHA-256: 45be8d4b540e4bf71179124aa52d2ff6a6552e0283e656341d5b7ef7000ceba8

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