Malicious PDF — malware analysis report

Static analysis result for SHA-256 583c1c370fb21a31…

MALICIOUS

PDF

37.3 KB Created: 2021-09-27 02:44:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 441b2bbbbb93fb1795e1fe6aa9f20ebf SHA-1: e61763b40a927c8d26172fd80aeb4fc1f00ed5d2 SHA-256: 583c1c370fb21a3168d8b5a7dd3d3a2e9e424e2b6c1848313c02646469a50ed8
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as a phishing lure due to its image-only content and embedded clickable URI. The ML classifier and ClamAV detection further confirm its malicious nature. The primary URI, https://wastran.ru/uplcv?utm_term=pokego%2B%2B+ios+download+2020, suggests a lure related to software downloads, likely leading to a phishing page or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6667

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://wastran.ru/uplcv?utm_term=pokego%2B%2B+ios+download+2020
    • http://doks-films.com/pcms/content/file/rajefadazitoxeluxeninij.pdf
    • http://whatcanidoforyou.eu/publish/file/44710221552.pdf
    • https://anctools.com/ckfinder/userfiles/files/suvunewo.pdf
    • http://werkkledingverkoop.nl/images/docman/files/gudafojinemevaputuzeti.pdf
    • https://sandipkumardutta.com/ckfinder/userfiles/files/84003616233.pdf
    • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/f76e2d67a353bc690df57debbb816e36/dugarexejirov.pdf
    • https://driftwoodcc.com/userfiles/files/36108016173.pdf
    • http://marine-inox.com/i/File/6934053779.pdf

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