Malicious PDF — malware analysis report

Static analysis result for SHA-256 35603578260b29c0…

MALICIOUS

PDF

43.7 KB Created: 2021-05-17 03:39:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 2ad87e53305b90fca521fbcef8aa6d30 SHA-1: 0b21a292d854fbc6983fc13ac71f1ec764c21d5e SHA-256: 35603578260b29c04211e6e7077d6d7ec4fc67c741efad8fab406add30914d3d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a heuristic firing indicating it's a 'game hack' lure, specifically mentioning 'earn Robux'. The primary link, https://netcdn.xyz/app/431946152/earn-robux-sites-game-hack, is likely the destination for this social engineering attempt. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest a malicious intent to redirect users to potentially harmful content or initiate downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/earn-robux-sites-game-hack PDF link annotation
    • http://babbibooth.com/images/how-to-get-free-pets-in-adopt-me-roblox_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/hack-coin-master-for-free_GM406889139.pdfIn PDF document text
    • http://babbibooth.com/images/minecraft-download-free-download_GM479516143.pdfIn PDF document text
    • http://babbibooth.com/images/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/coin-master-hack-apk-link_GM406889139.pdfIn PDF document text
    • http://babbibooth.com/images/free-roblox-avatar_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/coin-master-hacking-news_GM406889139.pdfIn PDF document text
    • http://babbibooth.com/images/coin-master-hack-online-pc_GM406889139.pdfIn PDF document text
    • http://babbibooth.com/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://babbibooth.com/images/coin-master-hack-tool-pc-download_GM406889139.pdfIn PDF document text
    • http://babbibooth.com/images/free-robux-generator-for-roblox-2021_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/moonactive-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://babbibooth.com/images/can-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://babbibooth.com/images/roblox-hack-download_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/coin-master-free-spins-reddit_GM406889139.pdfIn PDF document text
    • http://babbibooth.com/images/vip-roblox-free_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/how-to-get-free-roebucks_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/free-robux-microsoft_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
    • http://babbibooth.com/images/coin-master-free-spins-link-without-human-verification_GM406889139.pdfIn 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000047c4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x47C4 28052 bytes
SHA-256: 3e518b0190810a587f262fb853f97835eb20c42d64dd6b8c336a270cf0b21fdc
font_01_sfnt_off00008873.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8873 18300 bytes
SHA-256: 9e3af24e52ef4cb9fc4b51a762cd65285bc4813e2d9c15cd1a5337b0fae4df73

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