PDF malware analysis — malicious · ddbfce9b49bb553f

MALICIOUS

PDF

34.7 KB Created: 2021-07-05 11:47:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 6dcdfa7fc7ca1ed27ddacfa2af8483e6 SHA-1: 14adeb970217d20278a23d752aaadda36c9079f6 SHA-256: ddbfce9b49bb553ff226f1110dfd3524af3bf6191b225a9f804a57d5f42cce59

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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/hack-free-spin-coin-master-game-hack PDF link annotation
- https://dolphintour.vn/images/uploadsfiles/roblox-free-obc-lifetime-code-generator_GM431946152.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/how-to-instal-roblox-hack_GM431946152.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/free-tiktok-likes_GM835599320.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/coin-master-free-attack_GM406889139.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/roblox-models-hack-your-account_GM431946152.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/minecraft-java-free_GM479516143.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/how-to-get-free-robux-trik_GM431946152.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/free-roblox-games-without-signing-in_GM431946152.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/jj-script-roblox-hack_GM431946152.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/free-views-on-tiktok_GM835599320.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/how-to-get-free-stuff-in-roblox-mobile_GM431946152.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/minecraft-noob-vs-pro-vs-hacker-vs-god_GM479516143.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/how-to-get-free-robux-using-hackbar-extension_GM431946152.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/roblox-operation-scorpion-hack_GM431946152.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/lazyblocks-com-free-robux_GM431946152.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/was-minecraft-ever-free_GM479516143.pdfIn PDF document text
- https://dolphintour.vn/images/uploadsfiles/www-coin-master-hack-xyz_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_off000030ad.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30AD	23256 bytes
SHA-256: `27b4a8c9a3fe5ad11d225719c335b00b79518ac6279a2fa7e5109feb2f90ee04`
`font_01_sfnt_off000064b8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64B8	18344 bytes
SHA-256: `e266783c096443bc77f2156bd1a06028a30bf0c4f56f74ad6f8e9ea19b24635b`

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