Malicious PDF — malware analysis report

Static analysis result for SHA-256 00e4f7b8c03be5c2…

MALICIOUS

PDF

216.7 KB Created: 2021-02-26 09:10:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: bf2c264c652486b1a218f6c87ed11fee SHA-1: 61736414b8ae212aa6ecf7890d104425cbb402bb SHA-256: 00e4f7b8c03be5c24c027a4ed6c8a622e0b69c03b842399b2dce93c37dddc483
152 Risk Score

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 routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8174

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://yafferge.ru/award?keyword=grammar+practice+book+grade+4+answer+key In PDF document text
    • http://kerutugizuxig.mygamesonline.org/77014637601.pdfIn PDF document text
    • https://cdn.sqhk.co/kusasuzona/QNgehcO/rogue_hearts_standalone.pdfIn PDF document text
    • http://prosucre.pro/respiratory_system_labeled_diagram_worksheetwtqsq.pdfIn PDF document text
    • http://kostlike.site/next_phase_of_human_evolution8apiz.pdfIn PDF document text
    • http://b0xberry.online/portfolio_canva_templatesm432.pdfIn PDF document text
    • https://cdn.sqhk.co/rovifatira/ihbxcR0/radiology_technician_salary_2020.pdfIn PDF document text
    • http://rat-red.space/honda_app_center_a1.apk_downloadagw7f.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/wujanozo/gta_5_game_free_apunkagames.pdfIn PDF document text
    • https://s3.amazonaws.com/xetasif/71087827139.pdfIn PDF document text
    • http://mukanebesiva.atwebpages.com/what_radical_republican_proposal_for_reconstruction_was_defeated_by_its_opponents.pdfIn PDF document text
    • https://s3.amazonaws.com/nowokil/26826244611.pdfIn PDF document text
    • http://pulutugorivexek.atwebpages.com/sports_illustrated_swimsuit_models_kate_upton.pdfIn PDF document text
    • https://s3.amazonaws.com/regovadeje/discord_music_bot_without.pdfIn PDF document text
    • https://s3.amazonaws.com/tezude/chrysler_town_and_country_2010_manual.pdfIn 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_off00032e23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32E23 5876 bytes
SHA-256: 0c6ec6fc026b3d710fb3fc93b4fbc06ab4ecbdf58e2a7e05250bec27bf4e416b
font_01_sfnt_off00034220.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34220 4504 bytes
SHA-256: 4b67d5405165ea848bbe1f083998f1b6f88b90ce6ff136362f92234d84455d6e

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