Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4770945efbb0153…

MALICIOUS

PDF

40.5 KB Created: 2020-11-02 08:52:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-29
MD5: e068ea54c954b723faf178a3835ce4ff SHA-1: 2149ddfb4341b0ed0475a5f246d5b936956782cc SHA-256: e4770945efbb0153e9f0d66a535d7bf389960eb02df9b08ff06bdad5217429b2
92 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ggtraff.ru'. The document body, though heavily obfuscated, contains a URL that appears to be the same malicious redirector, suggesting the document's primary purpose is to redirect users to malicious infrastructure. No scripts were extracted, but the presence of a malicious URL strongly indicates a phishing or redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://ggtraff.ru/123?keyword=club+penguin+rewritten+unblocked+at+school In PDF document text
    • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/54ee2dbdfc4.pdfIn PDF document text
    • https://rimuzomidaz.weebly.com/uploads/1/3/4/3/134353295/zetuligokumobepitad.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b4478f89-6072-417e-a4aa-b50a36c1c660/a2212-_6t_2200kv_outrunner_brushless.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d9d6996a-b5fd-4479-86e9-7cf860f54a55/vejuzeditewideli.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/77cb645b-2bba-4931-9e3f-7515a6476810/gazokukorana.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0504/9968/2490/files/video_izle_para_kazan_android.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/25835f61-b13f-4da7-8578-feea36346f24/24559680292.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cc8cc4db-e091-4c15-8766-0fa8a6caa7af/55830589999.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e1afb574-4775-4f7e-9457-35a958316f7c/15001507829.pdfIn PDF document text

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