Malicious PDF — malware analysis report

Static analysis result for SHA-256 f94717acd63ba467…

MALICIOUS

PDF

77.7 KB Created: 2021-03-11 09:37:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e21dc352e9e6dc82cb995520ee51ac1d SHA-1: 51723cfaa77fb5e82b3a6412d43ea9e1143e34d5 SHA-256: f94717acd63ba467f134645d35a58853251e4396cb08900ddbd59644f50e0047
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, suggests a lure related to 'Bylaws of charitable trust pdf'.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://soxebez.ru/award?keyword=bylaws+of+charitable+trust+pdf
    • http://kexedeziferu.sportsontheweb.net/amla_plantation_project_report.pdf
    • http://3203epworthcres.com/physical_science_grade_12_textbookssggdq.pdf
    • http://kakafeg.scienceontheweb.net/vapup.pdf
    • http://kellys.space/is_the_book_war_horse_based_on_a_true_story3hkz0.pdf
    • https://cdn.sqhk.co/muvenetu/fHMKcMp/duzovuredo.pdf
    • https://cdn.sqhk.co/tememukafosu/A5Myhik/download__extreme_city_gt_car_stunts_mod.pdf
    • http://vuvulusigi.scienceontheweb.net/jipizuneposoxikarufoven.pdf
    • http://jerunuju.mypressonline.com/coso_enterprise_risk_management_framework_definition.pdf
    • http://gidujoluj.mypressonline.com/why_is_my_samsung_refrigerator_water_dispenser_not_working.pdf
    • http://dreamingdeveloper.com/729628550654tyfo.pdf
    • http://unityfree.xyz/94338700682hocx9.pdf
    • http://dasezin.getenjoyment.net/widesirevovojugawed.pdf
    • http://zuzavepojul.mygamesonline.org/45754714876.pdf
    • https://cdn.sqhk.co/mesafovojifo/Cgnigig/fotumub.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://bavatesivo.myartsonline.com/possessive_genitive_case_exercises.pdf
    • https://c183b790-cb34-49aa-848e-1a9f2b14dda3.filesusr.com/ugd/d8966e_2b4039015d9144e3bf6cc04ba4881acd.pdf?index=true
    • http://zijiwaras.onlinewebshop.net/94656675663.pdf
    • https://64f1e6a9-4530-4009-9f9b-67b91dd69f79.filesusr.com/ugd/76b6de_4f81e120eef640dab692fb487519bb88.pdf?index=true
    • http://gudugapapilile.atwebpages.com/toxodo.pdf
    • http://letutemoxeluz.onlinewebshop.net/what_order_do_outlander_books_go_in.pdf
    • https://dd7ee03d-3646-4e01-a1e1-4c0a7e2c9e57.filesusr.com/ugd/d7ba0f_45eab626be4a48a59bf25a48ce9adcfb.pdf?index=true
    • http://zagofij.onlinewebshop.net/juvozumeluwaku.pdf
    • http://nimanexobubibub.onlinewebshop.net/antecedentes_de_los_derechos_humanos_en_francia_estados_unidos_y_mexico.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f1a5.bin
3eefeefe6b47d4ecb9bd3c84c3e6678f7c7c769ca033a103e142b86a0ea24375		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF1A5 5628 bytes
font_01_sfnt_off000104da.bin
15968678d71c2a9df4b57ab5a4ba3dcca3240f5c2726d3540acc940c61be9a8c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x104DA 10960 bytes

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