Malicious PDF — malware analysis report

Static analysis result for SHA-256 7cccb33e3e74284d…

MALICIOUS

PDF

37.2 KB Created: 2021-09-03 09:50:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-05
MD5: 443200f3fc65d62a58bd2cd20567a643 SHA-1: 5b5cfdf7306989dbfc1421f23e98430cda53f50e SHA-256: 7cccb33e3e74284d74f7006ea52bc9cbac2541b525135e49ca8efc42b45ac75b
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file uses an image-based lure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6864

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 37 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://chcial.ru/uplcv?utm_term=manual+taller+suzuki+sx4+2008+espa%C3%B1ol PDF link annotation
    • http://occahomesearch.com/userfiles/files/21821522522.pdfIn PDF document text
    • https://queensflower.nl/clientfiles/wowirisupipara.pdfIn PDF document text
    • http://mc-opony.pl/files/file/vogugojebalovitujanixubep.pdfIn PDF document text
    • https://kalyna.ua/sites/default/files/userfiles/file/divonigifemegival.pdfIn PDF document text
    • https://texigo.tw/upfile/files/2021/07/03/sopusipivawu.pdfIn PDF document text
    • http://bocghedanang.com/media/ftp/file/61345904521.pdfIn PDF document text
    • http://richmore.kr/uploadfile/fckeditor/file/linizokato.pdfIn PDF document text
    • http://dpsszczytno.pl/photo/file/36307782933.pdfIn PDF document text

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