Malicious PDF — malware analysis report

Static analysis result for SHA-256 541f2056860d1ea8…

MALICIOUS

PDF

39.5 KB Authoring application: Haru Free PDF Library 2.4.0dev First seen: 2021-06-28
MD5: 7aa7d88953b494502fbbc65e38440844 SHA-1: 6aaa436fa552c6303c229779698d4b87a86c0104 SHA-256: 541f2056860d1ea85ca84b89a125112f0a89f4ab62597324c0dd23a069ba949a
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is designed as a phishing lure, presenting a screenshot to obscure a clickable link. The embedded URL, https://couponlik.com/wp-content/themes/publisher/woocommerce/cart/payments/, is likely intended to redirect the user to a malicious site for further exploitation. No scripts were extracted, but the PDF structure itself indicates a social engineering attack.

Machine Learning

  • Nyx PDF Classifier clean score 0.0722

Heuristics 3

  • Image-heavy PDF hides clickable URL with PDF string escapes high PDF_ESCAPED_URI_IMAGE_LURE
    PDF is image-heavy with little real text and its clickable HTTP(S) URI is encoded with PDF octal escapes. This combination is common in credential-phishing PDFs that render a screenshot-like prompt and obscure the destination from simple URL extractors.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 2 image(s), only 0 text block(s), carries a click-outward action, and is only 39 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://couponlik.com/wp-content/themes/publisher/woocommerce/cart/payments/ In PDF document text

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