Malicious PDF — malware analysis report

Static analysis result for SHA-256 68081e9b7a438034…

MALICIOUS

PDF

40.4 KB Created: 2021-05-25 11:12:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: d5e758a5561dfaaee50158360e7e6e52 SHA-1: 4b3e3de939c668b9fe9453c1eda6287102d9aff0 SHA-256: 68081e9b7a438034bd4969838e39500f59e7e5182271503238316649de10325c
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains text and a prominent link that mimics a "free Robux generator" lure, aiming to trick users into clicking the embedded URL. This URL, 'https://netcdn.xyz/app/431946152/the embedded link-free-robux-game-hack', is flagged as a malicious redirector. The document's structure and content strongly suggest a phishing or scam attempt, likely delivered as a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier clean score 0.0134

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://netcdn.xyz/app/431946152/huskybus.com-free-robux-game-hack In PDF document text
    • https://www.micIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00002cec.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2CEC 28920 bytes
SHA-256: 83be1bc2a3471c5209f8cc0a068e0373b2720a3f7c9fa00e79722242e91b8abb
font_01_sfnt_off00006ee9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EE9 5596 bytes
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5
font_02_sfnt_off00007b91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B91 18688 bytes
SHA-256: 6add98f93d6464e4673e157e466f8eac90a499b9ef5784f234ada041ea0169f0

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