Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e19d298be0fd32f…

MALICIOUS

PDF

75.0 KB Created: 2021-03-31 09:09:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 33359f7c7ee937070500b461b162ea96 SHA-1: 430dec688a9306b3418539ee148356069829727c SHA-256: 8e19d298be0fd32f6ed768eedebaff2357db776dc4dd57aec383ec5ce2fbd344
94 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'mezovuduw.ru', which is likely a phishing or malware distribution domain. The document body, though heavily obfuscated, suggests a lure related to 'aluminium composite panel cladding details pdf', aiming to trick the user into clicking the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9670

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://mezovuduw.ru/award?keyword=aluminium+composite+panel+cladding+details+pdf
    • http://tilikef.mygamesonline.org/kunodol.pdf
    • https://cdn.sqhk.co/towafeniruje/jggjPij/vipomidanunuxuwesig.pdf
    • http://mybiol.site/50034546103ffamc.pdf
    • https://cdn.sqhk.co/temetixufuxi/9NHjhPm/35709711766.pdf
    • http://tigafik.mygamesonline.org/attestation_de_vente_de_terrain_entre_particulier.pdf
    • http://bamefidev.mygamesonline.org/insurance_and_financial_market_awareness_book.pdf
    • http://laura-egorova.ru/73798555755d9q6d.pdf
    • http://iranianvc.com/napexurufanirumeparovqygf.pdf
    • http://dekoriribazovax.mywebcommunity.org/43670653598.pdf
    • https://cdn.sqhk.co/sarunasol/icpjche/51065860441.pdf
    • https://cdn.sqhk.co/pusobatosip/ihbhegf/kekobi.pdf
    • http://crawlmqyu.space/89249031794q2znm.pdf
    • http://voztrans.ru/rorunut9aq.pdf
    • http://fullcreditreport.info/learn_arabic_language_in_hindir32qg.pdf
    • https://cdn.sqhk.co/rogokivika/h7iggiA/tolitita.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/67f7f5dc-cd2c-4637-b5a7-b5a41879bef4/best_video_editor_app_for_windows_10.pdf
    • https://uploads.strikinglycdn.com/files/27438945-55e5-4aad-b536-106c5c5c6a7f/movies_based_on_dantes_divine_comedy.pdf
    • https://uploads.strikinglycdn.com/files/18f55c5b-b62f-443b-afe4-9e83d7cdd3cd/68344688989.pdf
    • https://uploads.strikinglycdn.com/files/0479bd0f-e711-48ec-afab-c969c2558841/organizational_culture_of_google_ppt.pdf
    • http://wutesejib.onlinewebshop.net/draw_the_circle_book_free.pdf
    • https://uploads.strikinglycdn.com/files/d77a0153-80f2-4c42-aa5e-765df3c969f0/derewenatoj.pdf
    • http://roveramo.atwebpages.com/how_to_change_battery_in_first_alert_smoke_and_co_alarm.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fb80.bin
acaef97a1b60407742b0616bcc9c11f4c38e2cdf341900cececb565004afea6d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFB80 5368 bytes
font_01_sfnt_off00010dbb.bin
695df4866c856688d1283cab51dda4499038ae815164cf48e10fdef89a139ff6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10DBB 11680 bytes

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