Malicious PDF — malware analysis report

Static analysis result for SHA-256 51edaea7a643b28b…

MALICIOUS

PDF

37.3 KB Created: 2021-04-03 21:08:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: 2088a29753e20b4f742b97ecaf32edef SHA-1: b3fea7ae50ff9fefa321821ef192b3984ff9bd1e SHA-256: 51edaea7a643b28b9b78130ca5f3f9a267b97e06e857ca89dfeefa0c0c97574e
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing lure. It contains an image-based interface with a clickable URI, suggesting an attempt to direct the user to a malicious website. The presence of embedded URLs further supports this, indicating a likely phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6389

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://bologen.ru/award?keyword=free+child+adirondack+chair+plans+pdf PDF link annotation
    • http://puditutado.22web.org/27168715847.pdfIn PDF document text
    • http://wabiferofuvud.mygamesonline.org/46171192200.pdfIn PDF document text
    • https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/4780429.pdfIn PDF document text
    • https://fewefemuge.weebly.com/uploads/1/3/4/3/134372507/konabekibenakixam.pdfIn PDF document text
    • https://s3.amazonaws.com/besafefaf/aorus_b450_motherboard_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/gowupuzokowuxes/zojowulun.pdfIn PDF document text
    • http://tekabexorita.rf.gd/free_baseball_jersey_template_psd.pdfIn PDF document text
    • https://s3.amazonaws.com/jemisajoda/94380897780.pdfIn PDF document text

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