PDF malware analysis — malicious · f7e5d30fff112ebc

MALICIOUS

PDF

34.4 KB Created: 2021-07-09 05:59:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 57a4929767a252dc9b2de7ac6fdcdec1 SHA-1: 1719307e2ab9cec50e349f49c867f05a8cb495cd SHA-256: f7e5d30fff112ebcce6002a513bd9e19e078c36c051aaaa512bf9b5777f84385

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/479516143/free-minecraft-server-hosting-24-7-game-hack PDF link annotation
- https://klp.com.tr/inc/uploads/userfiles/files/free-spins-on-coin-master-without-human-verification_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/real-robux-generator_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/free-robux-no-verification-or-survey-2021_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/how-to-hack-someone-on-roblox_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/coin-master-free-spin-best-link_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/roblox-character-edit-hack_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/free-robux-without-offers_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/how-do-you-use-tunturned-roblox-hack_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/consle-free-robux-pastebin_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/roblox-com-hack_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/how-to-hack-coin-master-game-ios_GM406889139.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/roblox-admin-hack-dll-download_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/daniel-hack-roblox_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/free-robux-no-human-verification-or-survey-or-download_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/bit-slicer-speed-hack-roblox_GM431946152.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/how-to-get-minecraft-for-free-on-tablet_GM479516143.pdfIn PDF document text
- https://klp.com.tr/inc/uploads/userfiles/files/hackear-coin-master-sin-verificacion_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_off000031e4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31E4	22268 bytes
SHA-256: `255cc1c0666da96d339e6265921ce257d75f0c795f1c5497b0e4435c42691e4e`
`font_01_sfnt_off00006366.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6366	18352 bytes
SHA-256: `91a7490c887560cf1db9cb18ebb1e2a98db2d1ca6a1740dfb9f9cb38742cb9c1`

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