PDF malware analysis — malicious · 57cb9f01e96c3c3b

MALICIOUS

PDF

35.6 KB Created: 2021-07-04 00:17:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 9469b1b65e539ab47f36287f36b4a78a SHA-1: cb1a01e87955c6b0bd42355ebe60eb1122c1301c SHA-256: 57cb9f01e96c3c3b6ede2d4dca8af44b22ab540e865ba25081638aa08e23413e

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains embedded URLs and a lure related to game hacks and free spins, strongly suggesting a phishing or scam attempt. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded links indicate it is designed to redirect users to potentially harmful external sites, likely for credential harvesting or malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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/406889139/free-spins-for-coin-master-that-work-game-hack PDF link annotation
- https://www.soil2soul.ae/uploaded_files/userfiles/files/coin-master-hack-apk-july-29_GM406889139.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/funny-roblox-avatar-ideas-free_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/how-to-get-free-robux-no-survey-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/tiktok-like-bot-free_GM835599320.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/how-to-get-back-hacked-roblox-account_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/free-tiktok-views_GM835599320.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/roblox-hack-club-2021_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/coin-master-free-spins-and-free-coins_GM406889139.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/roblox-game-hacks-2021_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/minecraft-free-download-unblocked_GM479516143.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/roblox-games-that-get-you-free-robux_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/free-vip-server-roblox-ninja-legends_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/hack-roblox-rage_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/coin-master-coin-hack_GM406889139.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/free-roblox-svg_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/coin-master-mod-version-free-download_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000352d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x352D	22452 bytes
SHA-256: `884856a44648e7c864e640c738927fdbc445ac4a8d7e59619c88f9d1a5d5655f`
`font_01_sfnt_off00006731.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6731	18708 bytes
SHA-256: `c7d6ea7de5588523106fe6f74d39acbe25faa61b66b723bd8eb2c30e471e89da`

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