Malicious PDF — malware analysis report

Static analysis result for SHA-256 dad145f81e9ea657…

MALICIOUS

PDF

76.3 KB Created: 2021-02-27 06:22:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: ed004677dfed3dbcc968084836b31f7a SHA-1: cbc14caff94f4bfe92aa4730c283047adb85fcb5 SHA-256: dad145f81e9ea657a1ac9ae166efb2c70897b64a0144c81c123601a2ddf2dea4
126 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1105 Ingress Tool Transfer

The PDF contains numerous embedded URLs, with one prominent URL pointing to a domain associated with phishing and malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of external URIs and link farm heuristics suggest the document is designed to redirect users to potentially harmful content, likely for phishing or to download further malicious payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://midufefew.ru/award?keyword=dollhouse+fashion+australia PDF link annotation
    • http://kuroramogesok.iblogger.org/36166967908.pdfIn PDF document text
    • http://regse.website/gofolenebalubezot8mxou.pdfIn PDF document text
    • https://vepodiruwa.weebly.com/uploads/1/3/4/3/134374194/supak.pdfIn PDF document text
    • https://nusoselif.weebly.com/uploads/1/3/4/4/134470887/c2fa7.pdfIn PDF document text
    • http://wiinorama.space/57040407109gplsq.pdfIn PDF document text
    • http://siwupojotuj.getenjoyment.net/eurydice_play_script_summary.pdfIn PDF document text
    • http://chelamela.org/gasozelavegopuiltyw.pdfIn PDF document text
    • https://namevixezevir.weebly.com/uploads/1/3/0/9/130969021/wekezeviguzeni.pdfIn PDF document text
    • http://taxevidel.medianewsonline.com/vuluwulagazuwaxiri.pdfIn PDF document text
    • http://vasakuso.sportsontheweb.net/25485913222.pdfIn PDF document text
    • http://vulifux.66ghz.com/yamla_pagla_deewana_2018.pdfIn PDF document text
    • http://wugafis.66ghz.com/onenote_genealogy_research_log_template.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pujumek.myartsonline.com/how_to_check_coleman_mach_thermostat.pdfIn PDF document text
    • http://xegewir.epizy.com/bombay_velvet_full_movie_480p_filmywap.pdfIn PDF document text
    • http://kisezemewarajox.rf.gd/cryogenic_engine_working_principle.pdfIn PDF document text
    • http://laxojidosap.epizy.com/30782245714.pdfIn PDF document text
    • http://dagapevas.rf.gd/contrato_de_arrendamiento_de_vivienda_colombia_2020.pdfIn PDF document text
    • http://joxumokuri.epizy.com/jinejufirezuwozef.pdfIn PDF document text
    • http://viwivebobip.epizy.com/32117448237.pdfIn PDF document text
    • http://jatoxat.atwebpages.com/40293891675.pdfIn PDF document text
    • http://xevatukojubu.epizy.com/curso_de_marketing_digital_y_redes_sociales_gratis.pdfIn PDF document text
    • http://favirivesez.epizy.com/compound_words_in_a_sentence_worksheet.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_off0000ef5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF5D 4856 bytes
SHA-256: eabecd5ca8b987de7b2d9b449838734eac128fe39d7d34c046838838f1faa1d9
font_01_sfnt_off0000ffd6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFD6 10672 bytes
SHA-256: 8c73e8be9ca68a57c0cce1044134e3c390a8622fe03693c46a6950f50db167a1

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