Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f66120650ab4ba4…

MALICIOUS

PDF

76.8 KB Created: 2021-02-19 01:47:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 721e990db96bbb12310806b1201c482d SHA-1: 4ce859e1b0b244eadf558f6f7732f1ae583f7743 SHA-256: 9f66120650ab4ba413947f1ea3924b355260c1a3530ff4ff1048d4fa9a52158b
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://bologen.ru/123?utm_term=how+fast+is+the+traxxas+t+maxx PDF link annotation
    • https://cdn.sqhk.co/vilonunufuk/hjieyif/newoloriwesebafusila.pdfIn PDF document text
    • https://cdn.sqhk.co/zasemewiti/cqGnja0/41097786281.pdfIn PDF document text
    • https://cdn.sqhk.co/feduvefas/X1BjhwT/sovuxidokozajatonupiwa.pdfIn PDF document text
    • https://cdn.sqhk.co/tivinarafuvu/pEhcjCJ/92544026021.pdfIn PDF document text
    • https://cdn.sqhk.co/mekoposa/ienN4jb/defajebukoranetukefap.pdfIn PDF document text
    • https://cdn.sqhk.co/fuvebopeweb/jbaiige/mindshare_nyc_glassdoor.pdfIn PDF document text
    • https://cdn.sqhk.co/vurifozi/2hahjkN/mens_hair_short_sides_and_back.pdfIn PDF document text
    • https://cdn.sqhk.co/bosamame/ige1hhZ/cbc_hockey_playoff_broadcast_schedule.pdfIn PDF document text
    • https://cdn.sqhk.co/vazoguzo/qjh1jfx/77336406660.pdfIn PDF document text
    • https://cdn.sqhk.co/xovepejegosi/ijAihiY/vizigawotezogudo.pdfIn PDF document text
    • https://cdn.sqhk.co/texivewa/gctrAOr/bozoto.pdfIn PDF document text
    • https://cdn.sqhk.co/xelajuwodaf/iaEllij/vebule.pdfIn PDF document text
    • https://cdn.sqhk.co/gefizorabubi/jiChgjd/kexuboxikususuvepaz.pdfIn PDF document text
    • https://cdn.sqhk.co/wazilisiko/cbdUjie/global_war_simulation_strategy_war_game_premium_apk.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://gurajitobad.rf.gd/14589459897.pdfIn PDF document text
    • http://konevimojo.epizy.com/4229184869.pdfIn PDF document text
    • http://vakusidoler.epizy.com/14494339571.pdfIn PDF document text
    • http://riperuzitino.rf.gd/molarity_molality_and_by_mass_problems_answers.pdfIn PDF document text
    • http://tagugatukosag.epizy.com/76139541052.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_off0000ef4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF4E 5096 bytes
SHA-256: 7fe165cb821db589087e6125e0c6a9167af7c1a84f7f118443a61b06b694992e
font_01_sfnt_off00010091.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10091 10880 bytes
SHA-256: 61a0ca6f533ca3705ca8503fac359ab751e85acf83296038d099d427507acf29

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