Malicious PDF — malware analysis report

Static analysis result for SHA-256 008d478334adfe6b…

MALICIOUS

PDF

74.0 KB Created: 2021-02-21 07:55:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 423b015b5719591ae48f7d3935bdcd2c SHA-1: d2f17b8dcca9619ee8ee9bbd019f515871366c2d SHA-256: 008d478334adfe6b4f0c59af0e71a5200b275b52af1faffa7547d5b478f08c99
96 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains an embedded URL that redirects to a suspicious domain, likely serving as a lure for phishing or malware distribution. The document body, though heavily obfuscated, suggests a pretext related to stock market information to entice users to click the malicious link.

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://bologen.ru/strik?utm_term=what+time+do+asian+stock+markets+open+gmt PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4406223/normal_6022eaa015dab.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421462/normal_600fb1dd3c565.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453327/normal_5fdf2a0593ac8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485322/normal_600d45fa8a8f2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448985/normal_6009ce2abec1a.pdfIn PDF document text
    • https://cdn.sqhk.co/gasawivu/Pr5gepK/best_vr_games_pc_steam.pdfIn PDF document text
    • https://cdn.sqhk.co/vowobupubuze/Fgc9Ghf/small_lobby_design_ideas.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473963/normal_6031c183de262.pdfIn PDF document text
    • http://itprod.space/sebik51xuh.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4451210/normal_5fcf15e51b5cb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4475392/normal_60185cfd2064c.pdfIn PDF document text
    • https://cdn.sqhk.co/pivifilogopa/jajhFfB/41014722798.pdfIn PDF document text
    • https://cdn.sqhk.co/putizimetiwe/jehglON/42489051597.pdfIn PDF document text
    • https://cdn.sqhk.co/rikopekela/7A2ghbP/60700827454.pdfIn PDF document text
    • https://cdn.sqhk.co/xonarewu/idkhehh/russian_taxi_simulator_2016_game_download.pdfIn PDF document text
    • http://euroshopme.site/how_to_charge_stanley_fatmax_lightj0h4u.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000e1b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1B5 5532 bytes
SHA-256: f490700db76e3e2adf48bf222c27127edab18dc2aa197069fdf509d37d12ac41
font_01_sfnt_off0000f466.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF466 11216 bytes
SHA-256: 4f338b21fd28fde2e3be06f2b1f575f00013ba2e1ee7656217d47d12c58e023a

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