Malicious PDF — malware analysis report

Static analysis result for SHA-256 97626048ad2711ed…

MALICIOUS

PDF

74.6 KB Created: 2021-05-11 22:48:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 064ec5795631c7809a8cb0e3f91de1df SHA-1: c59597ddaaf9b20cd8479b44769c39577246b490 SHA-256: 97626048ad2711ed408b847d8a0f75da7f39c8edfa1a777d98995fdb66a79595
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://jumiwimov.ru/strik?utm_term=what+ink+cartridge+for+hp+3050a PDF link annotation
    • https://cdn.sqhk.co/taranumota/hbggIcd/41085671939.pdfIn PDF document text
    • http://rowowevu.mypressonline.com/mystery_brain_teaser_puzzles_nz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426810/normal_604bad2427c11.pdfIn PDF document text
    • http://kirakexig.mypressonline.com/boy_scout_sea_base_swim_test.pdfIn PDF document text
    • https://cdn.sqhk.co/pozazoji/hZbhfol/the_bowl_at_sugar_hill_seating_chart.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485799/normal_6014613c915fe.pdfIn PDF document text
    • https://cdn.sqhk.co/losiluja/iichdig/59973398027.pdfIn PDF document text
    • http://rexuwoxaga.sportsontheweb.net/applied_linguistics_definition.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/zagapaxa/kolasezedosanepe.pdfIn PDF document text
    • https://s3.amazonaws.com/degagaziv/faleki.pdfIn PDF document text
    • https://s3.amazonaws.com/davubewu/what_is_a_good_salary_in_italy.pdfIn PDF document text
    • http://kusababi.onlinewebshop.net/how_to_tell_if_washing_machine_drain_pump_is_bad.pdfIn PDF document text
    • https://s3.amazonaws.com/zarusegibitumet/usmc_legal_admin_man.pdfIn PDF document text
    • https://s3.amazonaws.com/buwosevax/what_is_the_eagle_scout_oath.pdfIn PDF document text
    • https://s3.amazonaws.com/kozibowisenatu/report_access_cambio_pagina.pdfIn PDF document text
    • https://s3.amazonaws.com/divikufifir/araketu_discografia_completa.pdfIn PDF document text
    • https://s3.amazonaws.com/vososasoxumete/basic_english_worksheets_year_7_with_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/bupesejirijejus/como_tirar_a_pele_da_gema.pdfIn PDF document text
    • https://s3.amazonaws.com/zemigiduwagafu/10203913954.pdfIn PDF document text
    • https://s3.amazonaws.com/zulezov/75215516538.pdfIn PDF document text
    • https://s3.amazonaws.com/gowebabuxogiro/vewavebisarasujuxujuvex.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_off0000e6ab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6AB 5716 bytes
SHA-256: ed3eee7309333028951a490d4e631864fc8c87e31465607023f120aa64b7c063
font_01_sfnt_off0000fa37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA37 10196 bytes
SHA-256: 61d17dd4b2c2612a23e156650e7f37f5cd71e462b28243918639adc4230c520e

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