PDF malware analysis — malicious · 651f91091e459ee9

MALICIOUS

PDF

42.8 KB Created: 2021-05-11 09:31:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 25d7e3cbd5b24e96395a5fe0bafa8367 SHA-1: fab1c517b79cae54b4cb6f26ae8e532c81f02e38 SHA-256: 651f91091e459ee9af952bd2495383b0459d7da7d738b427aa5bf9083cdc5df3

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 0.9971

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/479516143/minecraft-free-unblocked-game-hack PDF link annotation
- https://successfulauto.ru/images/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
- https://successfulauto.ru/images/coin-master-card-collection-hack_GM406889139.pdfIn PDF document text
- https://successfulauto.ru/images/how-to-get-2021-robux-for-free_GM431946152.pdfIn PDF document text
- https://successfulauto.ru/images/roblox-free-clothes-codes_GM431946152.pdfIn PDF document text
- https://successfulauto.ru/images/robux-withdraw_GM431946152.pdfIn PDF document text
- https://successfulauto.ru/images/robuxmatchcom-free-robux_GM431946152.pdfIn PDF document text
- https://successfulauto.ru/images/coin-master-hacker-club_GM406889139.pdfIn PDF document text
- https://successfulauto.ru/images/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
- https://successfulauto.ru/images/free-minecraft-skin-creator_GM479516143.pdfIn PDF document text
- https://successfulauto.ru/images/roblox-royale-high-diamond-hack_GM431946152.pdfIn PDF document text
- https://successfulauto.ru/images/coin-master-cheats-for-free-spins_GM406889139.pdfIn PDF document text
- https://successfulauto.ru/images/how-to-make-your-own-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- https://successfulauto.ru/images/minecraft-account-hacked_GM479516143.pdfIn PDF document text
- https://successfulauto.ru/images/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://successfulauto.ru/images/robux-no-verification_GM431946152.pdfIn PDF document text
- https://successfulauto.ru/images/hacks-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
- https://successfulauto.ru/images/free-robux-no-verify_GM431946152.pdfIn PDF document text
- https://successfulauto.ru/images/free-spin-coin-master-online_GM406889139.pdfIn PDF document text
- https://successfulauto.ru/images/coin-master-mod-apk-2021_GM406889139.pdfIn PDF document text
- https://successfulauto.ru/images/coin-master-daily-gift-free-spins-and-coins-link_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_off00004bcc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4BCC	24748 bytes
SHA-256: `ca14dc44f8ee8810d272875e8b107eab6bcaa034c43af9925b49a315009f32a0`
`font_01_sfnt_off0000845f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x845F	18472 bytes
SHA-256: `4446ec9a14b3bfac30f066e0e962bc7f96b5cea98edad6ed93b9652aaf8297cb`

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