PDF malware analysis — malicious · 348c686dd0e7504b

MALICIOUS

PDF

35.3 KB Created: 2021-07-04 23:08:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 2a50dc8443f062fea9fd34990c8b1416 SHA-1: 33f701ad8e4961f79a95968aa845d08686a12bab SHA-256: 348c686dd0e7504bf40f51451fcace6d97b299e2dd33fdf5fa3d0e8e6457f978

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/coin-master-20-free-spins-link-today-game-hack PDF link annotation
- http://nationshield.ae/userfiles/files/cheat-codes-for-aquaman-roblox-promo_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/withdraw-robux_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/how-to-get-free-robux-on-roblox-on-pc_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/minecraft-font-free_GM479516143.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/se-puede-hackear-coin-master_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-robux-redeem-codes_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/minecraft-java-edition-free-download-for-android_GM479516143.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/is-there-a-way-to-get-free-bobux-on-roblox_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/are-robux-generators-safe_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/best-hacker-ever-roblox_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/hacking-simulator-game-roblox_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-robux-bux-gg_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-free-spin-whatsapp-group-link_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/open-coin-master_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/hack-coin-master-game_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/redline-32-hack-roblox_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/clean-master-hack-coins_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/roblox-help-free-robux_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_off000032aa.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32AA	22568 bytes
SHA-256: `8f1802cc94d1e6fc90fdb50c6fd6abd7607659ff261e9e53b3f01180d7d26ab2`
`font_01_sfnt_off000064eb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64EB	18992 bytes
SHA-256: `0f16f6f05544a8482aa3305e7e753d03ef12058668236921500c43b65501b7a4`

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