Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccdd4476c3255c86…

MALICIOUS

PDF

77.2 KB Created: 2021-02-15 21:48:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-10
MD5: 640f078b5c5bcf3ed7a4f66106fad9a8 SHA-1: e97584da174fe9409656a82dcb8d59a04c767ffa SHA-256: ccdd4476c3255c86e043d741b91002eae7d51d1addc2bdf1fd22e4be41c68a63
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a phishing page disguised as a game download portal, aiming to trick users into downloading malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://leonvi.ru/wix?keyword=baixa+aqui+jogos+gratis PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4424036/normal_5fccb4232d816.pdfIn PDF document text
    • http://apparently-home.com/walt_disney_world_magic_kingdom_map6b6pq.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495241/normal_5ffc60a99e814.pdfIn PDF document text
    • http://gaydating.world/29799730804o1qsl.pdfIn PDF document text
    • http://yogist.fun/led_zeppelin_no_quarter_chordsux62o.pdfIn PDF document text
    • http://themarkuzmusic.com/formation_windev_17_videoridnd.pdfIn PDF document text
    • http://rikopevadibix.iblogger.org/32412729538.pdfIn PDF document text
    • http://rkconstructionsucks.com/gopoxunuvimidakisiludkcj9x.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/gateme/11679841142.pdfIn PDF document text
    • https://s3.amazonaws.com/pibajuwi/gpa_scale_reporting_for_weighted_gpa.pdfIn PDF document text
    • http://vozajaw.rf.gd/arcsight_esm_user_guide_7._0.pdfIn PDF document text
    • http://nagurinetawami.rf.gd/57822935025.pdfIn PDF document text
    • https://s3.amazonaws.com/tapelu/migojatanotumofadi.pdfIn PDF document text
    • http://xafaxeko.epizy.com/passive_voice_vs_active_voice_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/befafuni/ascus_with_high_risk_hpv_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/fizup/accounting_standards_in_india_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/luworizesupox/errant_hunter_soul_weapon_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/wanalovum/xixefalozab.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_off0000e38f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE38F 5140 bytes
SHA-256: dc72569da70de685d2644dc774eeeaa034a8c6e1dbcc10f687526df9301521db
font_01_sfnt_off0000f527.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF527 16896 bytes
SHA-256: f4500027d5c4e197eb77ba5ad8747ea96ac17c09a3b582f1af207c1523eecde4

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