Malicious PDF — malware analysis report

Static analysis result for SHA-256 617bbe463153e713…

MALICIOUS

PDF

33.1 KB Created: 2021-07-20 04:06:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 457dd2c732e0f6df12ce151c97adf08c SHA-1: 3eb873fe56cbaf82efcfa3553888732b4da05a79 SHA-256: 617bbe463153e713407eb3803b7143864a06f794248368248525a23841843002
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a lure for a "free generator / game hack" which redirects to a malicious URL. The document body and embedded links strongly suggest a phishing attempt or a gateway to further malicious content, likely related to game exploits or virtual currency scams. No scripts were extracted, but the presence of multiple suspicious URLs indicates a high likelihood of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9900

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 http://netcdn.tw/app/431946152/get-free-robux-now-game-hack PDF link annotation
    • https://sedotwcsaluranmampet.com/ckfinder/userfiles/files/how-to-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://sedotwcsaluranmampet.com/ckfinder/userfiles/files/free-printable-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • https://sedotwcsaluranmampet.com/ckfinder/userfiles/files/free-robux-gift-card-codes-2021_GM431946152.pdfIn PDF document text
    • https://sedotwcsaluranmampet.com/ckfinder/userfiles/files/free-minecraft-alt-accounts_GM479516143.pdfIn PDF document text
    • https://sedotwcsaluranmampet.com/ckfinder/userfiles/files/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
    • https://sedotwcsaluranmampet.com/ckfinder/userfiles/files/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • https://sedotwcsaluranmampet.com/ckfinder/userfiles/files/i-got-hacked-on-roblox_GM431946152.pdfIn PDF document text
    • https://sedotwcsaluranmampet.com/ckfinder/userfiles/files/tiktok-like-bot-free_GM835599320.pdfIn PDF document text
    • https://sedotwcsaluranmampet.com/ckfinder/userfiles/files/free-tiktok-likes-2021_GM835599320.pdfIn PDF document text
    • https://sedotwcsaluranmampet.com/ckfinder/userfiles/files/robux-free-c_GM431946152.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
font_00_sfnt_off00002bbb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBB 22684 bytes
SHA-256: d9ceefcb40b67a997eb54d0d385b40d5982cd3ce16093716be038f11f8cf2d83
font_01_sfnt_off00005e80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E80 18468 bytes
SHA-256: 952cd73f503fc30f976e7becd71335f77916a99414e1f81ed868d11088280245

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