Malicious PDF — malware analysis report

Static analysis result for SHA-256 bf687c08f3ee5b34…

MALICIOUS

PDF

57.2 KB Created: 2021-03-12 05:55:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 2fa4fdf2dc3b6e28c06b4a6d418f4950 SHA-1: cfeb1ea00cf4ac4167a9bdc0e9c58401e38feab4 SHA-256: bf687c08f3ee5b34f128f74703b16c959db4a7a3378cfdd60f53ab98ddb36ac2
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is a PDF document that contains embedded URLs, one of which is flagged as malicious. The ClamAV detection and ML classifier indicate malicious intent, likely a phishing or trojan delivery mechanism. The document body, though heavily obfuscated, suggests a lure related to 'amazing grace jazz piano sheet music pdf', which is likely a pretext to encourage the download of a malicious payload from the embedded URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5074

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
  • 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://jottigo.ru/award?keyword=amazing+grace+jazz+piano+sheet+music+pdf PDF link annotation
    • https://cdn.sqhk.co/fetumamuv/58OjdRc/dayton_ohio_police_shooting_suspect.pdfIn PDF document text
    • https://cdn.sqhk.co/vebiziwob/fjgT7gc/sunejiref.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457838/normal_6035e5eb3fed3.pdfIn PDF document text
    • http://negurosivaz.iblogger.org/nowavoturoteveso.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367313/normal_601bdf0092cae.pdfIn PDF document text
    • https://cdn.sqhk.co/nedabuke/3rhdghK/rovapixuki.pdfIn PDF document text
    • https://cdn.sqhk.co/jalosemuv/gcjfuib/top_marketing_jobs_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/topazawu/DhbjjHo/82099518414.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403814/normal_602e7c7cad4dc.pdfIn PDF document text
    • https://cdn.sqhk.co/sewadokoka/he36Tha/47789755263.pdfIn PDF document text
    • https://cdn.sqhk.co/pigajifaw/jfhfjcT/wurogereda.pdfIn PDF document text
    • https://cdn.sqhk.co/jiluputumusi/7Ajc57v/fear_the_walking_dead_episode_1_watch_online.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451018/normal_60451dd82db94.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490264/normal_60357ec0058a5.pdfIn PDF document text
    • https://s3.amazonaws.com/nokiva/29591512004.pdfIn PDF document text
    • https://s3.amazonaws.com/bezorito/anisette_std_bold_font_free.pdfIn PDF document text
    • https://s3.amazonaws.com/jukezeluf/lepas.pdfIn PDF document text
    • https://s3.amazonaws.com/xamibudasagas/18360071827.pdfIn PDF document text
    • https://s3.amazonaws.com/mogipegi/geometry_wars_3_achievement_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/telasebisu/13864051723.pdfIn PDF document text
    • http://kajonamopesubom.rf.gd/49942418394.pdfIn PDF document text
    • https://s3.amazonaws.com/lovetijif/50592798878.pdfIn PDF document text
    • http://tamugaza.rf.gd/descriptive_survey_research.pdfIn PDF document text
    • https://s3.amazonaws.com/muvarelo/13164348992.pdfIn PDF document text

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