Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e6d94ec7491fe6a…

MALICIOUS

PDF

87.1 KB Created: 2021-04-05 02:06:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d43014a7decd65831b75aaf5ee14e5fd SHA-1: cec4c136253d82b0ba87e5ddf1f6d6e8067e20a4 SHA-256: 4e6d94ec7491fe6afe48283772c3530b2614d06427983b5a19af57c23b3d2808
136 Risk Score

Malware Insights

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

The file is a PDF document that exhibits characteristics of an advance-fee scam, as indicated by the 'SE_ADVANCE_FEE_SCAM_LURE' heuristic. The ML classifier and ClamAV detection further support its malicious nature. The embedded URL points to a domain that is likely part of the scam infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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/award?keyword=solar+panel+technical+specification+pdf
    • http://zatutajijiti.getenjoyment.net/what_are_values_in_education.pdf
    • https://cdn.sqhk.co/tawavumazo/gjj8eib/facebook_logo_svg_free.pdf
    • https://cdn.sqhk.co/kosenopelid/hfeyOwY/turbo_card_app_down.pdf
    • http://golosa-spasibo.ru/snare_drum_solo_music9tv0o.pdf
    • http://triple-doska4.club/weather_report_for_birch_run_michiganelk1m.pdf
    • http://abreudesigns.com/11_day_meal_plan_1000_calories5bfqi.pdf
    • http://cookwellbakewell.com/48543914442iqjfu.pdf
    • https://cdn.sqhk.co/rejiwosujupa/bhaugfA/10797057072.pdf
    • http://ogranicbio.space/dewalt_d55146_type_7_pressure_switchn0okq.pdf
    • http://frontend-developer-azaynullin.site/bukupazurefuvimirawonwwl8.pdf
    • http://ing-cliente.com/hummingbird_feeders_near_meyjjy0.pdf
    • http://fullhp.info/ohio_university_campus_mapah42n.pdf
    • http://gbo.guru/american_football_house_urbanaar6ym.pdf
    • http://thrivewebs.com/how_to_login_to_amazon_echockdfe.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://koxolavomuzo.myartsonline.com/fenoponoradonego.pdf
    • http://gogujigasad.onlinewebshop.net/96531827618.pdf
    • https://uploads.strikinglycdn.com/files/dc10a58d-9e64-42c1-9b5c-58d6545cd808/what_is_the_strongest_indoor_tv_antenna.pdf
    • https://uploads.strikinglycdn.com/files/b8f66548-0e6a-43ca-ba4e-365330d509f6/is_premier_protein_good_for_you_during_pregnancy.pdf
    • https://uploads.strikinglycdn.com/files/e3160b0d-2629-4561-aa17-1af2029ccff5/59472429511.pdf
    • https://73a1781f-5c9f-4c76-8a11-a8e8c44f336a.filesusr.com/ugd/d9f7b5_a78b686ac41f487ab4e864e6e5e0858e.pdf?index=true
    • http://nokejufesuw.atwebpages.com/calibre_kindle_to.pdf
    • https://9e730ba1-499c-413e-9a09-8a81f8121270.filesusr.com/ugd/0a0016_141f315fc47e4cf3ba34d6fb8c711761.pdf?index=true
    • 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001084d.bin
8659cbd016cd271291550907d9e3e26be3605224762b09652065a2cdb0a88e69		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1084D 5132 bytes
font_01_sfnt_off000119a5.bin
1973440a0bb8d818777814040c5a4263168f60f7ef2c0e509baf32fe38d439c2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x119A5 11516 bytes
font_02_sfnt_off000140cd.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x140CD 4324 bytes

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