Malicious PDF — malware analysis report

Static analysis result for SHA-256 d93468ff2bfeca97…

MALICIOUS

PDF

17.4 KB Created: 2021-06-05 09:04:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-20
MD5: c176a2295b0d70fe2cf76694e75370da SHA-1: 0d3adb5d1201f7dda4f4eb59adeaddbab65ed16c SHA-256: d93468ff2bfeca977d9b2c603a0675e29e9b3d5bcf9de16ccc06198163c3bfa0
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is an image-only lure, a common tactic for phishing or malware delivery. It contains a single embedded URL that redirects through a URL shortener, which is a high-risk indicator. While no scripts were extracted, the PDF structure and the presence of a shortened URL suggest an attempt to trick the user into visiting a malicious site.

Machine Learning

  • Nyx PDF Classifier clean score 0.0657

Heuristics 3

  • Image-only PDF lure links through URL shortener high PDF_IMAGE_LURE_SHORTENER_LINK
    PDF is image-heavy with little real text and its clickable action points to a URL shortener. This is a high-confidence credential-phishing carrier shape: the visible page is a screenshot-like prompt while the destination is hidden behind redirect infrastructure.
  • 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 17 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://port.page.link/tS25 In PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000037ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x37FF 5564 bytes
SHA-256: a60b9f01036f8c1196598010bef44429b8f34900a4af83489a1dff40c1784a81

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