Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a30669c452be329…

MALICIOUS

PDF

80.9 KB Created: 2021-03-14 11:50:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ffbb3289e4b7109a371b2f21344a270f SHA-1: 7678b2548aa04fa1bc53a031a751957715264b6f SHA-256: 7a30669c452be329700d0163e36259e8794a831cc646195f5c00a0426a78694e
116 Risk Score

Malware Insights

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

The file is a PDF document flagged by multiple heuristics, including ClamAV and an ML classifier, indicating malicious intent. It contains an embedded URI pointing to 'soxebez.ru', which is likely part of a phishing or malware distribution scheme. While the document body is heavily corrupted, the presence of external URIs and the overall detection suggest it's designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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://soxebez.ru/wix?keyword=beyblade+burst+app+all+stadium+codes
    • https://cdn-cms.f-static.net/uploads/4450248/normal_601db529a2355.pdf
    • http://hightrade.club/how_to_start_learning_automation_anywhere5qrgo.pdf
    • http://fikakutipid.mygamesonline.org/basic_mechanical_engineering_questions_and_answers_for_interview.pdf
    • http://storeplus.pro/jufeninekafufixeduforutuixg.pdf
    • https://kowizonijate.weebly.com/uploads/1/3/5/9/135991151/sisisuraweveb.pdf
    • http://reassurez-moi-fr.info/kung_fu_panda_3_kai_vs_oogway_themes36cl.pdf
    • http://nibelv.xyz/32739350043fo55d.pdf
    • https://cdn-cms.f-static.net/uploads/4367667/normal_5fd2e13e4d931.pdf
    • https://vewudati.weebly.com/uploads/1/3/0/8/130873955/lebuzemevutukulutol.pdf
    • https://tejikapor.weebly.com/uploads/1/3/1/3/131382395/2587210.pdf
    • https://cdn-cms.f-static.net/uploads/4411915/normal_602daa387a921.pdf
    • https://wajuzetixageg.weebly.com/uploads/1/3/0/9/130969085/vobebovepimeg.pdf
    • https://nifosigi.weebly.com/uploads/1/3/4/4/134488788/motenasidoresifupiw.pdf
    • https://cdn-cms.f-static.net/uploads/4445107/normal_5fd7db854c193.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/sevoga/lerubefumotugugajikokije.pdf
    • https://s3.amazonaws.com/dazawojob/57519371245.pdf
    • https://s3.amazonaws.com/wegugus/alp_answer_key_link_sarkari_result.pdf
    • http://witolav.epizy.com/gangsta_s_paradise_lyrics.pdf
    • http://vezubigaru.rf.gd/bilumakemodini.pdf
    • http://bebovufuvuji.myartsonline.com/what_is_client_centered_therapy_in_psychology.pdf
    • http://pamubaj.epizy.com/climate_change_report_today.pdf
    • https://s3.amazonaws.com/sinamozagemoger/upsc_cds_2019_notification.pdf
    • http://kigokigaruv.myartsonline.com/dewuzepedelutepepedix.pdf
    • http://zetulinug.rf.gd/kigabotifodafofujesuku.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f98f.bin
c54e30a7eb68fb83e504b90d56d4224b06775cb0c5aba9ef2b8ca63b1c739d97		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF98F 5512 bytes
font_01_sfnt_off00010c39.bin
dc384e38691dd86470691bb129a227c6e4fd68d915dde327d42682997acc3e07		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10C39 12692 bytes

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