PDF malware analysis — malicious · f4deb4bd264edf7b

MALICIOUS

PDF

50.4 KB Created: 2021-06-03 19:50:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: e94dabda5858fbc3ddc2805b07f1471f SHA-1: eb53e9cbdae4eaa3fb3f930ad41f6a2e91f00c9d SHA-256: f4deb4bd264edf7b8f5680279cef0f8f36908918e301c387fd3173eb9de5fbee

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 0.9769

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.online/app/479516143/can-you-play-minecraft-for-free-game-hack PDF link annotation
- http://www.rewaqousha.net/userfiles/files/how-to-download-minecraft-for-free-on-android_GM479516143.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/coin-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/feb-23-2021-free-coin-master-spins_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/coin-master-game-hunter_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/minecraft-reach-hack_GM479516143.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/get-free-robux-info_GM431946152.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/coin-master-spins-free-2021_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/united-gaming-net-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/free-robux-human-verification_GM431946152.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/coin-master-spin-hack-link_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/coin-master-free-coins-links-2021_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/coin-master-cheats-for-free-spins_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/www-free-robux-com_GM431946152.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/coin-master-com_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/coin-master-instagram-free-spins_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000055b0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x55B0	29568 bytes
SHA-256: `5e63fd829fee09158ab836f9c386685e863f1a0a9b24d1a55a6681e25eda22a4`
`font_01_sfnt_off000097ed.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x97ED	3000 bytes
SHA-256: `cc332f84a1b842d762e7fa50a7573a5896d96a25c21b785503f9ac338e1a97b4`
`font_02_sfnt_off0000a23e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA23E	18420 bytes
SHA-256: `81bede04d90c080fa29d20db124f1531358f39ee91ce610139dedd08dc3401fc`

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