Malicious PDF — malware analysis report

Static analysis result for SHA-256 eedf5d424a475b1e…

MALICIOUS

PDF

71.6 KB Created: 2021-01-08 07:41:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 4469eb3a327b795748148864f3770b7c SHA-1: e84c9fe235b09ea45071ac4531d0752be11a2e2e SHA-256: eedf5d424a475b1ec2fb0ec52b6bc63c43697f9aae026357326bd8958657d521
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URL points to a domain that appears to be used for phishing or malware distribution, disguised as a software download. No scripts were extracted, but the PDF structure and embedded URI suggest a phishing or downloader attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8878

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://trafffe.ru/aws?utm_term=whatsapp+for+windows+phone+nokia+lumia PDF link annotation
    • https://kupelaranix.weebly.com/uploads/1/3/4/7/134729830/dapixixe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374983/normal_5fe1349438e9d.pdfIn PDF document text
    • https://cdn.sqhk.co/rifokinimito/epAtqhj/powered_subwoofer_bass_tube.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379491/normal_5f9f1315c628f.pdfIn PDF document text
    • https://rubuvewoxuvima.weebly.com/uploads/1/3/4/8/134873715/7540516.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/25095d45-0f5e-43db-b935-896eb1512f45/kokakov.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/368694e9-41c0-42cd-91d9-8bd8672c7856/62784472945.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8c1b962b-3a34-4b4b-a05a-c3be0f5501b3/35267549070.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/84d07f22-6914-483b-9d73-80f9df7839bf/wisuzi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bb308166-d777-419c-a7db-eb20a55b6272/84303463668.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_off0000f51c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF51C 5448 bytes
SHA-256: d05cd1ab99bd09a3c216a57307dbf037a4c433415b1311343e836a4a38e8d78d

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