PDF malware analysis — malicious · f08067b8486de9d6

MALICIOUS

PDF

40.5 KB Created: 2021-05-13 17:07:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 848b136fce076cc5a9a369e7ee4de7ca SHA-1: 01b2fd300926a71adec30ef6038793f4bd004efa SHA-256: f08067b8486de9d6ccd2a323fab505017bf45c95b08d048bf2269801f39f08c5

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 0.9974

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/406889139/spin-coin-master-free-game-hack PDF link annotation
- https://www.cinemapalace.ro/trailer/files/how-to-download-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/roblox-free-download_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/give-free-robux_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/roblox-free-items-2021_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/get-free-coin-master-coins_GM406889139.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/minecraft-bedrock-hacks_GM479516143.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/how-do-you-earn-robux_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/roblox-free-robux-website_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/how-to-get-free-robux-on-pc_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/coin-master-website_GM406889139.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/how-to-get-free-roblox-items_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/rbx-free_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/boku-no-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/how-to-exploit-roblox_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/coin-master-daily-free-spins-link-today-2021_GM406889139.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/how-do-you-get-roblox-for-free_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/free-robux-thumbnail_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/free-robux-generator-no-human-verification-or-surveys_GM431946152.pdfIn PDF document text
- https://www.cinemapalace.ro/trailer/files/free-minecraft-servers-to-join_GM479516143.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_off0000454d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x454D	24836 bytes
SHA-256: `64d07f9be988d93b01df9a05c1974f29a239b05535918ce70ef68933ebbab50e`
`font_01_sfnt_off00007d37.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7D37	17884 bytes
SHA-256: `6361ede382a163d704ed6c8f102c2990305f9cba1a2540397fd15e2a8f655622`

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