PDF malware analysis — malicious · 8c401901e2ff107f

MALICIOUS

PDF

42.7 KB Created: 2021-05-13 21:13:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 47ed281a31029466c297e534a08906e5 SHA-1: 8b52cd8178e93aa7fbac70d96e58361a354716f0 SHA-256: 8c401901e2ff107fd3ab5e86ba99dc586414d3520a2a2dfd6c70ec7c99b12c50

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links and a high-confidence heuristic firing for a game hack redirect lure. The primary URL, https://netcdn.xyz/app/406889139/coin-master-free-spins-activegamer-game-hack, suggests a phishing or scam attempt related to game cheats. While no scripts were explicitly extracted, the PDF structure and embedded links indicate a malicious workflow designed to redirect users to potentially harmful external sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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/406889139/coin-master-free-spins-activegamer-game-hack PDF link annotation
- http://genialica.de/images/free-spin-coin-master-2021_GM406889139.pdfIn PDF document text
- http://genialica.de/images/how-to-get-free-robux-easy-2021_GM431946152.pdfIn PDF document text
- http://genialica.de/images/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
- http://genialica.de/images/coin-master-free-spins-whatsapp-link_GM406889139.pdfIn PDF document text
- http://genialica.de/images/easy-robux-hack_GM431946152.pdfIn PDF document text
- http://genialica.de/images/coin-master-hack-iosgods_GM406889139.pdfIn PDF document text
- http://genialica.de/images/roblox-arsenal-hack_GM431946152.pdfIn PDF document text
- http://genialica.de/images/lazyblocks-com-robux_GM431946152.pdfIn PDF document text
- http://genialica.de/images/coin-master-free-2021-spin-link-today_GM406889139.pdfIn PDF document text
- http://genialica.de/images/coin-master-free-spins-hack-without-human-verification_GM406889139.pdfIn PDF document text
- http://genialica.de/images/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
- http://genialica.de/images/minecraft-hack-mod_GM479516143.pdfIn PDF document text
- http://genialica.de/images/free-coin-master-spins-daily_GM406889139.pdfIn PDF document text
- http://genialica.de/images/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
- http://genialica.de/images/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
- http://genialica.de/images/free-robux-gift-card_GM431946152.pdfIn PDF document text
- http://genialica.de/images/master-coin-free_GM406889139.pdfIn PDF document text
- http://genialica.de/images/robux-generator-without-verification_GM431946152.pdfIn PDF document text
- http://genialica.de/images/haktuts-coin-master-spins_GM406889139.pdfIn PDF document text
- http://genialica.de/images/best-free-roblox-executor_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
`stream_003_off00004688.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4688	29544 bytes
SHA-256: `f5cc7af8eef88f8a5a298e649923d58a191ed38b92a85cb77b14b063dbdb1df8`
`font_01_sfnt_off000083cf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83CF	18548 bytes
SHA-256: `3f51c9f1d393cac92505500fdf6fe1c1727df79afd76cc4c19b11b13bc7a8d30`

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