Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c2a1afd01f8651c…

MALICIOUS

PDF

74.9 KB Created: 2021-02-28 12:01:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: a13792fea406cfbb32f35d5152adbe7d SHA-1: 5f1e0bf76ddd9d3cada946b5edd4dd539b996ae6 SHA-256: 5c2a1afd01f8651cf3a5f2ead6baa625e14fd37bbc2b8f536fc8b1b7d7d76501
96 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 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 0.9998

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://druttle.ru/strik?utm_term=tissot+1853+watch PDF link annotation
    • http://damvglaz2.xyz/aura_o_las_violetas_libro_completouhvez.pdfIn PDF document text
    • http://handler-autoscout24.com/kegokutalobuwobowefuwez0unv.pdfIn PDF document text
    • http://domastmsk.space/max_lucado_church_easter_service3yvs4.pdfIn PDF document text
    • http://lagulesuko.medianewsonline.com/windows_10_turn_off_screen_hotkey.pdfIn PDF document text
    • http://1green.space/caltrans_bridge_design_detailsmhnbs.pdfIn PDF document text
    • http://ritixibetono.mygamesonline.org/wokidof.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/jiwotarotavuz/71867137548.pdfIn PDF document text
    • http://tefetuzuzip.myartsonline.com/how_do_i_log_into_my_verizon_actiontec_router.pdfIn PDF document text
    • https://s3.amazonaws.com/mevuzokekenojab/platform_9_3_4_sign_etsy.pdfIn PDF document text
    • https://s3.amazonaws.com/bomupi/12258956843.pdfIn PDF document text
    • https://s3.amazonaws.com/widiku/n_a_full_form_indian_railway.pdfIn PDF document text
    • https://s3.amazonaws.com/zaxawetawupo/how_to_change_font_size_on_brother_model_pt_70.pdfIn PDF document text
    • http://duwemanuwixam.atwebpages.com/naming_ionic_compounds_chemistry_if8766_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/bewibiwat/iridotomia_yag_laser.pdfIn PDF document text
    • https://s3.amazonaws.com/vuxalirudidel/95508667339.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_off0000e69a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE69A 5332 bytes
SHA-256: 3829934728fd60aa903d99abfe157b85155cf7701589e799d0ff909b373d2cf0
font_01_sfnt_off0000f8d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8D8 10824 bytes
SHA-256: 80ca924d45c4cd4fa9999aabfaa02abdfa7dc66c6dd7f25cfb880569b25dfa7a

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