PDF malware analysis — malicious · a593deea5d0b41fe

MALICIOUS

PDF

34.3 KB Created: 2021-07-06 12:33:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: c45002c8a6eba5ca75b3c87254c53f04 SHA-1: bec87ae6d6784fae221873711badd97fb20b13b3 SHA-256: a593deea5d0b41fed9822259c09b3bfb5222d6dba5a7b578e09079ea51e3d35f

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 0.9980

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 http://netcdn.tw/app/431946152/free-robux-hacks-no-verification-game-hack PDF link annotation
- http://www.alrashed-alsaleh.com/userfiles/files/free-assassin-knives-roblox_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/how-to-block-someone-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/minecraft-114-4-download_GM479516143.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/rblx-city-free-robux_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/coin-master-free-spins-2021-today_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-3d-modeling-software-for-roblox_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-roblox-toy-codes_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/who-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/coin-master-free-spins-apple_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/hack-spin-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-money-and-spins-coin-master_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-roblox-injector_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/sript-roblox-hack_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-drtrayblox-hair-roblox_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/free-robux-today_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/how-to-get-free-coins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/how-to-hack-roblox-prison-life-20_GM431946152.pdfIn PDF document text
- http://www.alrashed-alsaleh.com/userfiles/files/coin-master-hack-pro-gamers_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_off00002f69.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F69	22224 bytes
SHA-256: `3fb4196de5ef3d92831e7d67df43e2b897f771c5d1ff78b0f0dc80f1f6577ad9`
`font_01_sfnt_off0000607a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x607A	19244 bytes
SHA-256: `d7f6b7ff3c0ca36ad551dc1698c04b5b051d82f77f85620dffbaec3331a8b166`

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