Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7ebd5613f7057a3…

MALICIOUS

PDF

69.7 KB Created: 2021-03-17 02:24:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02
MD5: 5d77b5a46ccec289b02abab6bedf400d SHA-1: 47decae7250f174bfd49e322458583a97ba4eb44 SHA-256: e7ebd5613f7057a319b823bbecff60a2cd04ae86ecc9c35aa58d66a231a2b23c
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a malicious site. The document body, though heavily obfuscated, suggests a lure related to 'brew of sleeping witchery', further indicating a phishing or scam attempt.

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/wix?keyword=brew+of+sleeping+witchery PDF link annotation
    • https://cdn.sqhk.co/peferitukofa/UiqrEpD/the_wolf_among_us_season_2_apk_download.pdfIn PDF document text
    • http://beamorem.com/english_speaking_for_3rd_classbujt5.pdfIn PDF document text
    • https://cdn.sqhk.co/minofavazu/iehgif5/81980872118.pdfIn PDF document text
    • http://arm-watch3.club/funuvijugesuzamazurekaxihyl8.pdfIn PDF document text
    • https://cdn.sqhk.co/joxutedunik/RGHibhe/geobook_1e_price.pdfIn PDF document text
    • https://cdn.sqhk.co/josutupamav/giJgyxa/world_war_ii_combatants_list.pdfIn PDF document text
    • http://vijofudevadotar.mywebcommunity.org/watermark_app_for_android.pdfIn PDF document text
    • http://prechambre.xyz/avery_label_template_5161_wordju5jw.pdfIn PDF document text
    • https://cdn.sqhk.co/zapiferufefu/LhhXhjB/41018607921.pdfIn PDF document text
    • http://fitness1.space/how_to_use_unix_commands9ki1o.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xasagode.myartsonline.com/13071497115.pdfIn PDF document text
    • https://s3.amazonaws.com/pesetufavo/rejifuluwiganopojage.pdfIn PDF document text
    • https://s3.amazonaws.com/kexamoxusinixu/gipegelisufijok.pdfIn PDF document text
    • http://rexefobixavater.myartsonline.com/genetic_code_wheel.pdfIn PDF document text
    • https://s3.amazonaws.com/begijufadi/formation_chamanisme_toulouse.pdfIn PDF document text
    • https://s3.amazonaws.com/kibavutibeved/letter_address_format_usa.pdfIn PDF document text
    • https://s3.amazonaws.com/pezofut/ganuripa.pdfIn PDF document text
    • https://s3.amazonaws.com/vajefam/loxikisizekuzinaro.pdfIn PDF document text
    • https://s3.amazonaws.com/nijosinizo/multiplying_and_dividing_scientific_notation_problems_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/mutirexa/jonolo.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_off0000d437.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD437 5312 bytes
SHA-256: a76135067f6cfe86ca3e7261d30d457eba3fb3004d9135a86ed293ed59ce311b
font_01_sfnt_off0000e66d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE66D 10348 bytes
SHA-256: 37bef9debf7c64e84153a4a13718f038b0122faf71f3ced2d63289a6bfb435c6

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