Malicious PDF — malware analysis report

Static analysis result for SHA-256 be04826726918893…

MALICIOUS

PDF

202.5 KB Created: 2021-01-30 10:18:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 41b9d234d14d3e52dbfc901c4ca1a1a4 SHA-1: e6593c5af8c59566db94b1d3bdf41b77cc7610cb SHA-256: be048267269188939611a5e8a1c29d4a1f61f79af663107bede463493a44ee24
96 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by ML classifiers and ClamAV. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing site. The document body is heavily obfuscated and appears to be non-readable content, suggesting it's designed to exploit PDF vulnerabilities or deliver malicious content rather than present information to the user.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9973

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://jottigo.ru/wb?keyword=%D1%82%D0%B0%D0%BD%D0%BA%D0%B8%20%D1%81%D1%81%D1%81%D1%80%20%D0%B2%D1%82%D0%BE%D1%80%D0%BE%D0%B9%20%D0%BC%D0%B8%D1%80%D0%BE%D0%B2%D0%BE%D0%B9%20%D0%B2%D0%BE%D0%B9%D0%BD%D1%8B%20%D0%B2%D0%B8%D0%BA%D0%B8%D0%BF%D0%B5%D0%B4%D0%B8%D1%8F PDF link annotation
    • http://natgood.space/tuvibitedoxabaruxulazarm570l.pdfIn PDF document text
    • http://copyrightsupporthelpcenter.com/267698829783rbu.pdfIn PDF document text
    • http://alsamcctv.com/context_clues_worksheets_for_grade_8di9f2.pdfIn PDF document text
    • http://d-youtube.com/sonny_perdue_department_of_agricultureq12tn.pdfIn PDF document text
    • http://vvvvvvvvvvvvvvvvvvvvvb.xyz/shark_attack_game_online_freehjtcv.pdfIn PDF document text
    • http://rubeatyshop.xyz/biology_investigatory_project_class_12_free_download1ybpb.pdfIn PDF document text
    • http://rat-red.space/days_cash_on_hand_benchmarks_for_hospitalsjlyvw.pdfIn PDF document text
    • http://clientbluebadge.com/lopusumofekupunoxytie.pdfIn PDF document text
    • http://keepmaxi.space/weed_killer_safe_for_pets_ukszhpo.pdfIn PDF document text
    • http://indir-kazan.com/injustice_2_ps4_gameb6bqi.pdfIn PDF document text
    • http://discovljzg.fun/street_soccer_flick_hack_apktrbh4.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/zalisujezajaje/2153630660.pdfIn PDF document text
    • https://s3.amazonaws.com/xeroguru/70748836367.pdfIn PDF document text
    • https://s3.amazonaws.com/gadumagabusodel/hallelujah_cello_duet_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/wozowuledij/44752537728.pdfIn PDF document text
    • https://s3.amazonaws.com/wufujudisu/dodikudafeburevejaxifuwoz.pdfIn PDF document text
    • https://s3.amazonaws.com/polojuliragam/vowetoreji.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_off0002d08d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D08D 5744 bytes
SHA-256: 07316044962d7777110497c31a2516b351ab83f6d5cb61ba88eafc55a345c7e7
font_01_sfnt_off0002e387.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E387 17120 bytes
SHA-256: 7f12be4afc6210b8dc12df28a9409c39f1bb0f2cbf049412d3bd1dbcc52c33a7

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