Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e886084fd1677a9…

MALICIOUS

PDF

75.5 KB Created: 2021-02-21 19:41:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: bb7ba72b02b8467fa5ed2886c6f4d32d SHA-1: 225c286a355400d34d7fc3204e87ec724c39f47e SHA-256: 0e886084fd1677a9aa64dd540e44fd5bbd75754b03fad90a274487aa92d4a782
96 Risk Score

Malware Insights

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

The PDF file contains a link that mimics a search result for a common query, likely intended to trick the user into clicking it. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to lead the user to a malicious site.

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://seumenha.ru/strik?utm_term=cuanto+equivale+150+gramos+de+azucar+en+tazas PDF link annotation
    • http://freud.icu/sifoj1rwzx.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471250/normal_6025a556edaf5.pdfIn PDF document text
    • http://wide-take.top/tezupotiw1j159.pdfIn PDF document text
    • http://virnet77.ru/liberalismo_economico_e_politicotifrs.pdfIn PDF document text
    • http://itprod.space/960246305540j2d8.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4412151/normal_5fcc9a0c12cf0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4488100/normal_5fe19d2381733.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4474450/normal_5fcf665662de2.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/xixonu/assamese_video_song_new.pdfIn PDF document text
    • https://s3.amazonaws.com/sisaxu/zifatasusegukibumefuzak.pdfIn PDF document text
    • https://s3.amazonaws.com/wizedumi/nonefufedatax.pdfIn PDF document text
    • https://s3.amazonaws.com/wizitifowubux/jugexikixe.pdfIn PDF document text
    • https://s3.amazonaws.com/jifesu/52794229838.pdfIn PDF document text
    • https://s3.amazonaws.com/xezujuxoz/gizifimefekirupinuvavizu.pdfIn PDF document text
    • https://s3.amazonaws.com/gazijewevan/naranokepex.pdfIn PDF document text
    • https://s3.amazonaws.com/vapite/tefogezavosafigamoka.pdfIn PDF document text
    • https://s3.amazonaws.com/feborobegibew/hosanna_lead_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/tokafanawa/year_3_grammar_worksheets_tes.pdfIn PDF document text
    • https://s3.amazonaws.com/zemigiduwagafu/latest_fire_report_nsw.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d90a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD90A 5716 bytes
SHA-256: fbc907ac2e4aabedaa92f20d789540173ec89d21e837f2954d044cc6b2200790
font_01_sfnt_off0000ec7a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC7A 11576 bytes
SHA-256: 115f8450dba89707dc37dd81c10e75485bb06036a898a35638bd63b6bc9de200
font_02_sfnt_off00011273.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11273 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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