PDF malware analysis — malicious · f3e2f0e7a17075ac

MALICIOUS

PDF

43.4 KB Created: 2021-05-11 09:20:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: f420f63f14347348d7a202c8a7c92b34 SHA-1: f5d0a31ceb61a0774b70104750d0dbd2f4c33f63 SHA-256: f3e2f0e7a17075ac86d82a79c20987db3922d546f5db502dc88fb8f70e81a4a8

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a 'free Robux' and game hack lure to entice users. It contains multiple embedded links that redirect to external websites, likely serving as a distribution point for further malicious content or phishing pages. The ML classifier strongly indicated maliciousness, and the PDF structure includes links designed to exploit user interest in game cheats.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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/431946152/free-robux-for-kids-no-verification-game-hack PDF link annotation
- http://www.rewaqousha.net/userfiles/files/download-hacked-games-coin-master_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/hacks-para-coin-master_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/free-minecraft-com_GM479516143.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/roblox-hack-com_GM431946152.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/minecraft-realms-free_GM479516143.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/lazyblocks-com-robux_GM431946152.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/how-to-get-free-robux-by-playing-games_GM431946152.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/coin-master-tiradas-gratis-link_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/wurst-112_GM479516143.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/free-face-roblox_GM431946152.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/roblox-hack-site_GM431946152.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/free-spins-on-coin-master-links-2021_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/how-to-earn-free-robux_GM431946152.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/how-to-get-minecraft-pocket-edition-for-free_GM479516143.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/free-daily-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/free-spins-and-coins-coin-master-link-2021_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/roblox-free-hats_GM431946152.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/coin-master-free-pet-food_GM406889139.pdfIn PDF document text
- http://www.rewaqousha.net/userfiles/files/how-to-get-free-robux-without-downloading-apps-2021_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_off00004a40.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A40	25604 bytes
SHA-256: `3731ad179d17993ab14c9a886df64a074dd991ffc68d865673c4791b31e24d72`
`font_01_sfnt_off0000859a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x859A	18776 bytes
SHA-256: `abcd165e4b695e85902e5e0162dd8c883b494cae8faf27dbfb1f0dc34095f980`

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