Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7722100a61802db…

MALICIOUS

PDF

153.2 KB Created: 2020-11-10 16:37:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 11deafdd9b666b3495db6ced52e56616 SHA-1: 366e3703f5ddd69035c193d761196b4d4eb08324 SHA-256: c7722100a61802db3716b55266bb1e51b00beb794966530258d2bbefa81e9664
94 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 embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9897

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://trafficel.ru/strik?keyword=majoras+mask+for+gamecube PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4411919/normal_5fa5f04c1e9ad.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4407081/normal_5f9b44e619414.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4419836/normal_5f9760e0487f4.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388839/normal_5fa0e468995c3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405687/normal_5f945f66ebbe7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367650/normal_5f97c91346f91.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403805/normal_5f93ee1158544.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369525/normal_5f9991f2972f0.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/133165ae-0f0d-410f-90fe-ef086b943a04/kuwigaruratebu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ca8e4217-16af-48be-93d5-50e13a84a175/77204680005.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ee66cba0-9733-4527-82ef-8d0ed2e06afd/71350202289.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/69164acd-92a2-46a1-baa6-5fc618c8b9af/tipulewazowaravavuzimona.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002481b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2481B 4020 bytes
SHA-256: 83df9ab05b5e9c84963030c76a16ee5d7c4d284a789fae1e2aff72ccd39174bc
font_01_sfnt_off00025643.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25643 5456 bytes
SHA-256: 04ce07fa69b557afbbfc7882276f02c86ea95c8b87c50019678cc4f0dd9e71c8

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