Malicious PDF — malware analysis report

Static analysis result for SHA-256 891f5515150426e1…

MALICIOUS

PDF

36.9 KB Created: 2021-09-05 02:24:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-22
MD5: 91520e8dbd3709f011e860819c0f2728 SHA-1: aaa0ad3e649286360932a38b86db2dd914126260 SHA-256: 891f5515150426e1d5340e3a28e73d8c6e1e1ccb610518462139490c6bff75f4
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 36 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 http://taigesw.com/upload/files/wijizusogivenaravaranezo.pdf In PDF document text
    • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161166c1cdd47f---35907983387.pdfIn PDF document text
    • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a89305ada0b---gixileneli.pdfIn PDF document text
    • http://hanboo.cn/Uploads/file/2021052209584670554.pdfIn PDF document text
    • http://uk-finansist.ru/userfiles/file/79750876820.pdfIn PDF document text
    • https://patc.fr/imagesfile/wopasilote.pdfIn PDF document text
    • http://millecolori.it/images/file/35536489391.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=constant+elasticity+of+substitution+production+function+pdfPDF link annotation

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

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