Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd7282f45262d095…

MALICIOUS

PDF

52.7 KB Created: 2020-12-09 20:26:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: f5c85fc3f6b8cf4bcb372ffa441578a2 SHA-1: e67e0dac45998c0d1a6d202bf01b5f8bc9ae471b SHA-256: dd7282f45262d0954542b6361730df682d2e6e67c8146b78e8fb645aa477c460
152 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8453

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
  • 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/wb?keyword=berglund%20performing%20arts%20theatre%20seating%20chart In PDF document text
    • https://cdn-cms.f-static.net/uploads/4480145/normal_5fd0f01a90a54.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475992/normal_5fc63a097d000.pdfIn PDF document text
    • https://wajifisawebe.weebly.com/uploads/1/3/4/4/134480175/5b1011.pdfIn PDF document text
    • https://vajibenutiw.weebly.com/uploads/1/3/4/4/134487234/mepugasim.pdfIn PDF document text
    • https://xudibonazo.weebly.com/uploads/1/3/4/3/134353284/libajekirejal.pdfIn PDF document text
    • https://nosovaranipad.weebly.com/uploads/1/3/4/7/134743093/9202173.pdfIn PDF document text
    • https://kewusubeve.weebly.com/uploads/1/3/4/5/134515363/391357.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/8b922907-24c0-4ce5-b3a2-a82945bb7dc1/pure_flix_app_free_download_lg_tv.pdfIn PDF document text
    • https://s3.amazonaws.com/lazolu/lcm_and_gcf_worksheet_grade_8.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c069.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC069 5500 bytes
SHA-256: 2ceee8fdd421ed9b8406e329ac3b5e15a3b42b3f50efa99cbdef8471b57057e3

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