Malicious PDF — malware analysis report

Static analysis result for SHA-256 df058f92e85c41e3…

MALICIOUS

PDF

46.8 KB Created: 2021-05-10 23:19:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: d3009183e3b25c7b60c3461f6400527d SHA-1: 212c65b10a63f6fb8aa70ab41d409682c18b6db1 SHA-256: df058f92e85c41e3222c054a9a97db5ae83e18f3e28ef000cbed18d622e229bc
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a high-risk heuristic indicating it links to a game hack lure, specifically targeting Roblox. The document body and extracted URLs reinforce this, pointing to a URL designed to trick users into downloading or accessing further malicious content. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest an attempt to redirect users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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
  • 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://netcdn.xyz/app/431946152/claim-roblox-game-hack PDF link annotation
    • http://jdlwealth.com/images/hacked-roblox-game_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/blogspot-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-spin_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/how-to-buy-robux-for-free_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/free-robux-reddit_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/how-to-get-free-skins-in-minecraft_GM479516143.pdfIn PDF document text
    • http://jdlwealth.com/images/minecraft-free_GM479516143.pdfIn PDF document text
    • http://jdlwealth.com/images/how-to-get-roebucks_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/easy-robux-hack_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/i-cant-get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-pro-hack_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/minecraft-survival-hacks_GM479516143.pdfIn PDF document text
    • http://jdlwealth.com/images/how-to-get-robux_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/rbx-place-free-robux_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/roblox-mobile-hack_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000495f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x495F 27264 bytes
SHA-256: 05a9e2218e03cb13f86250a4e4359a829651e5774b10827e8a04ee654b637478
font_01_sfnt_off000088ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88EC 3400 bytes
SHA-256: 4b3e0f36ad1e0c7e3ea5c178fd2b4f097d1e01575fc6a4101a8b520db34dfe07
font_02_sfnt_off00009416.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9416 18392 bytes
SHA-256: fe9b7128cb0eee1ae035507d7f39c681ea20029560c6d7ed549175e97334f950

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