Malicious PDF — malware analysis report

Static analysis result for SHA-256 497c1c307431d6c3…

MALICIOUS

PDF

55.4 KB Created: 2021-02-28 13:34:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: fc50a898686402da5a059b98e1a56c1e SHA-1: f479310781e6ecb25dc1d12df330fded05f8e9b5 SHA-256: 497c1c307431d6c3706d3518eaf551867425fd8566b700fc139529587f5ee88b
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely for phishing purposes. The document body, though heavily obfuscated, appears to be a lure related to 'Little house on the prairie reboot cast 2020', suggesting a social engineering tactic to trick users into visiting the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9075

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://lozipotod.ru/award?keyword=little+house+on+the+prairie+reboot+cast+2020 PDF link annotation
    • http://info-pages.ru/71105741369ghqhc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460465/normal_6011c493a9ceb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453730/normal_600992860f04a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382784/normal_6036c52615542.pdfIn PDF document text
    • http://anrostore.ru/cg_dj_song_video_mp42zahr.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450439/normal_5ff5aa7d1a06c.pdfIn PDF document text
    • http://re-capital.ru/bug_report_template_markdownxb369.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495985/normal_5fdb20e8843cf.pdfIn PDF document text
    • http://instgramcopyrightdispute.com/bujukozabasuvokelirm2wfh.pdfIn PDF document text
    • http://jufipixadum.epizy.com/raxotapelariwukasukiwuna.pdfIn PDF document text
    • https://s3.amazonaws.com/jivala/17430860715.pdfIn PDF document text
    • https://s3.amazonaws.com/musoxifuvitalo/formosa_petrochemical_corp_annual_report_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/xamibebulosaxug/5235210706.pdfIn PDF document text
    • http://rojapamun.epizy.com/miwevusimenosil.pdfIn PDF document text
    • https://s3.amazonaws.com/zatasipezeg/cancer_de_lengua_definicion.pdfIn PDF document text

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