PDF malware analysis — malicious · e1529e1932d54698

MALICIOUS

PDF

33.9 KB Created: 2021-07-06 02:54:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: ffcae4b926dda7ebf3214cac0d771f2b SHA-1: 80fd95563f49843fb4fde4e501e993ebd5e4954e SHA-256: e1529e1932d54698fc3f6091746f8e9162e8ab1429ef6098d6262304cd2177d2

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/431946152/how-to-free-robux-game-hack PDF link annotation
- https://7gking.tw/upload/files/coin-master-club-hack_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/como-hackear-coin-master-2021_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/coin-master-hack-mod-apk-free-download_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/free-roblox-card_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/games-on-roblox-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/blox-supply-free-robux_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/free-robux-that-actually-works_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/coin-master-free-coins-and-spins-online-tool_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/free-robux-obby-50-000-r_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/free-robux-rbx-bc-claims-anb_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/minecraft-wurst-hacked-client_GM479516143.pdfIn PDF document text
- https://7gking.tw/upload/files/coin-master-rewards-free-spins_GM406889139.pdfIn PDF document text
- https://7gking.tw/upload/files/ninja-ide-free-roblox_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/roblox-avatar-com_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/robux-hack-without-installing-apps_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/free-roblox-accounts-v3rmillion-2021_GM431946152.pdfIn PDF document text
- https://7gking.tw/upload/files/how-to-get-minecraft-java-for-free_GM479516143.pdfIn PDF document text
- https://7gking.tw/upload/files/redeem-roblox-card-free_GM431946152.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_off00002e9f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E9F	22300 bytes
SHA-256: `ee821b3f1d1a7e97f715cf028c001a1aebbad770aa150f05f0f0856fcdbdf468`
`font_01_sfnt_off00006015.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6015	18880 bytes
SHA-256: `b6c4639a0efa27a474f01e4d286fb143e2370880626048fbfb2abea6535030cf`

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