Malicious PDF — malware analysis report

Static analysis result for SHA-256 34e6258ca467b381…

MALICIOUS

PDF

67.6 KB Created: 2020-12-25 21:40:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ad305a3272fd1e28f8f30194883f891e SHA-1: 40c7608ea3281ab5b7afba0e1474b9d0737ac8e2 SHA-256: 34e6258ca467b3814bb54e769bb4ce8e1e5792f9a9b4511b8440580364881b5e
94 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The ML classifier also flagged the PDF as malicious. The document body, though heavily obfuscated, contains text related to search queries, suggesting a phishing or social engineering lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8050

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://trafffi.ru/strik?utm_term=winter+king+game+of+thrones+actor
    • https://cdn-cms.f-static.net/uploads/4403674/normal_5fc3877beec73.pdf
    • https://static.s123-cdn-static.com/uploads/4505096/normal_5fe45cccc2c2e.pdf
    • https://cdn-cms.f-static.net/uploads/4370996/normal_5fb990eba7b5b.pdf
    • https://cdn-cms.f-static.net/uploads/4368466/normal_5f9e0de811825.pdf
    • https://cdn.sqhk.co/dakagugi/hjbjhs8/missing_you_gift_basket.pdf
    • https://cdn-cms.f-static.net/uploads/4413012/normal_5f993dd7aec6a.pdf
    • https://cdn.sqhk.co/bojojiweg/fH8jjpU/61734829765.pdf
    • https://static.s123-cdn-static.com/uploads/4451365/normal_5fcdc9043b68c.pdf
    • https://cdn-cms.f-static.net/uploads/4412403/normal_5fd7fafa1c662.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/0d8b65b7-9bb9-4f3b-910f-dc1bb5afafbf/tomatilumekeko.pdf
    • https://s3.amazonaws.com/donukadizolin/10127286547.pdf
    • https://s3.amazonaws.com/zukukelejurotef/honaker_elementary_school_honaker_va.pdf
    • https://uploads.strikinglycdn.com/files/95d0c9d3-6f3a-48a4-824a-25790520a89d/arapahoe_county_pretrial_services.pdf
    • https://s3.amazonaws.com/donarepemi/eecs_degree_worksheet.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e302.bin
66c21a49e0a0a2a518bc7c8ba1700bf1b605b5a963bab0261383bc483ded956c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE302 5340 bytes

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