Malicious PDF — malware analysis report

Static analysis result for SHA-256 549c2241bcf131ac…

MALICIOUS

PDF

66.6 KB Created: 2020-12-27 08:31:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 47a13b12c70e94ca6a3857c64c6b287d SHA-1: 328c4137910aec6d595682995c54efc0019bd744 SHA-256: 549c2241bcf131ac154e2f062ecbd82627f5bb0450b2dd741784827127f976f6
94 Risk Score

Malware Insights

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

The PDF file was detected as malicious by multiple engines, including ClamAV and an ML classifier. It contains an embedded URI pointing to 'trafffi.ru', which is likely a phishing or malware distribution site. The document body, though heavily obfuscated, suggests a lure related to 'cyanide and happiness card game pdf', aiming to trick users into clicking the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9720

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://trafffi.ru/aws?utm_term=cyanide+and+happiness+card+game+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4366676/normal_5fc0ed3e095cd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495974/normal_5fe6fd25f11a9.pdfIn PDF document text
    • https://mogisitubetaw.weebly.com/uploads/1/3/4/4/134496388/1278477.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374002/normal_5fb8267bd1138.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393488/normal_5fddb39e5c6f3.pdfIn PDF document text
    • https://tofaxewa.weebly.com/uploads/1/3/4/6/134672655/kizoxosilojo.pdfIn PDF document text
    • https://dafanifupo.weebly.com/uploads/1/3/4/6/134645493/vixozezezaf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415745/normal_5fa1eac472968.pdfIn PDF document text
    • https://wazaxilam.weebly.com/uploads/1/3/4/7/134726650/04df8f60cd79b7c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372719/normal_5fda048fbbda7.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/senodiw/beats_audio_windows_7.pdfIn PDF document text
    • https://s3.amazonaws.com/xakapudakadu/lagu_segudang_rindu_camelia_malik.pdfIn PDF document text
    • https://s3.amazonaws.com/wifozuxeku/iptv_smarters_apk_download_troypoint.pdfIn PDF document text
    • https://s3.amazonaws.com/bipovoromoj/english_writing_worksheets_for_ukg.pdfIn PDF document text
    • https://s3.amazonaws.com/dakebesuvum/39808155852.pdfIn PDF document text
    • https://s3.amazonaws.com/liwafo/burnout_paradise_remastered_ps4_digital.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_off0000e2c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE2C1 5544 bytes
SHA-256: f2bc36ee0006a9f6341ee653a6273d248ded19bc02b4a4c70638764a543ece77

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