PDF malware analysis — malicious · 5bc50f3ee890880f

MALICIOUS

PDF

49.8 KB Created: 2021-05-13 06:30:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 51cc0227c5fc4003209e580d45458636 SHA-1: 972f54c3cbf66286edf64455b535777e4ed6ae52 SHA-256: 5bc50f3ee890880f39c0a100c5df13083bf000210ae4d2f0c9f28800c5b458e8

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document employs a lure related to game hacks and generators, directing users to external URLs. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' indicates the primary intent is to redirect users to potentially malicious content. The ML classifier also strongly flagged this PDF as malicious. The document body contains multiple links that appear to be part of this redirection scheme.

Machine Learning

Nyx PDF Classifier malicious score 0.9977

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/how-to-hack-roblox-accounts-2021-easy-game-hack PDF link annotation
- https://khavarrooy.com/assets/uploads/pages/files/abd-roblox_GM431946152.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/minecraft-kill-aura_GM479516143.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/free-robux-hack-generator_GM431946152.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/free-spins-link-in-coin-master-2021_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/coin-master-links-to-get-free-spins_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/roblox-generator-com_GM431946152.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/is-it-possible-to-hack-coin-master_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/minecraft-toolbox-premium-apk_GM479516143.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/ways-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/earn-robux-com_GM431946152.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/free-robux-picture_GM431946152.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/gameoffice-net-hack-coin-master_GM406889139.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/how-to-hack-minecraft-pe_GM479516143.pdfIn PDF document text
- https://khavarrooy.com/assets/uploads/pages/files/google-coin-master-free-spins_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
`stream_003_off00004b68.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4B68	37524 bytes
SHA-256: `a7f3884077bf0b3c00c8b0564468e68b4aca7eaad3a5645b4357f922cc84a195`
`font_01_sfnt_off00009e16.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9E16	19172 bytes
SHA-256: `0a4c192dd0d49b475d670e2028b2e3d9bc88486e58824ff416e2d46c0acce708`

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