Malicious PDF — malware analysis report

Static analysis result for SHA-256 07ee8f65fa0c8666…

MALICIOUS

PDF

70.6 KB Created: 2021-02-18 15:18:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: 7502830e7bfd0e67b9cf32ced6e33ce5 SHA-1: 2f87390ce5857e3b9c31ffa203f0fd994928e04d SHA-256: 07ee8f65fa0c86664bcdfc5c9343dce8c6882e203bd40076e06a5988aa6738de
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URL pointing to 'jottigo.ru', which is likely used to serve or redirect to a malicious payload. The document body, though heavily obfuscated, contains keywords related to downloads, reinforcing the lure.

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://jottigo.ru/wix?keyword=cake+mania+3+download PDF link annotation
    • https://cdn.sqhk.co/xovenekot/iXhaYGN/terra_mystica_fire_and_ice_ladder.pdfIn PDF document text
    • http://maewallace.com/2001_chevy_express_van_repair_manual1olzg.pdfIn PDF document text
    • https://cdn.sqhk.co/vipabumumiw/O4FeSgf/pobimigujifom.pdfIn PDF document text
    • https://cdn.sqhk.co/natefisaka/zQa3agf/baseball_pinball_machine_amazon.pdfIn PDF document text
    • https://cdn.sqhk.co/noxisoture/Lihihij/sabadolapuduboduw.pdfIn PDF document text
    • https://cdn.sqhk.co/xexisini/iamp4jf/gubimofawijosoviw.pdfIn PDF document text
    • https://cdn.sqhk.co/guzowozuk/s6ibhdr/deretisidakudajorarib.pdfIn PDF document text
    • http://tehnotop.space/cvor_test_questions_and_answers_ontarioa5mbg.pdfIn PDF document text
    • http://ppl-nutrshopfit.website/xojumonujixadu7wts.pdfIn PDF document text
    • https://cdn.sqhk.co/sutadejuna/hbMIIrq/vasewonurigalegutar.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/julaxel/epf_malaysia_annual_report_2017.pdfIn PDF document text
    • https://s3.amazonaws.com/mutirexa/bandook_song_sapna_choudhary.pdfIn PDF document text
    • https://s3.amazonaws.com/gasodamuza/roblox_noclip_cheat_engine.pdfIn PDF document text
    • https://s3.amazonaws.com/vabedafozo/98505110033.pdfIn PDF document text
    • https://s3.amazonaws.com/regovadeje/how_to_refill_renova_zero_pods.pdfIn PDF document text
    • https://s3.amazonaws.com/sezebepit/vemoxigekagedovaxusuvive.pdfIn PDF document text
    • https://s3.amazonaws.com/fenatagazise/provider_maintenance_form_bcbsga.pdfIn PDF document text
    • https://s3.amazonaws.com/piradi/endometriosis_guidelines_sogc.pdfIn PDF document text
    • https://s3.amazonaws.com/fukepez/21790996458.pdfIn PDF document text
    • https://s3.amazonaws.com/punurum/shilpa_shimle_waliye_hd_video_song.pdfIn PDF document text
    • https://s3.amazonaws.com/xomepixo/easy_praise_and_worship_piano_sheet_music.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_off0000d89a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD89A 4924 bytes
SHA-256: 0df84f67e9872e97d0f8d255a79499f7201fbc9d912b219f4a00a2e8b1daf4b3
font_01_sfnt_off0000e962.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE962 10580 bytes
SHA-256: 988df3f026520991bae71b326dc653293b9d0420913043725e73c565865f5ff8

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