PDF malware analysis — malicious · 7ef7240e14afff48

MALICIOUS

PDF

33.7 KB Created: 2021-07-04 11:49:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: bf8631da799e1d891ab9a44c5f17aaf3 SHA-1: 47787e24441049bfdb7a02f2cc55b6263280be8b SHA-256: 7ef7240e14afff48ab03e4a9647190b2a33c2949a474cb2d868dc9cd611ec305

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/minecraft-hacks-xbox-game-hack PDF link annotation
- https://laokhwanhos.com/ckfinder/userfiles/files/free-stuff-codes-roblox_GM431946152.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/roblox-hack-exploit_GM431946152.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/codes-how-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/how-to-get-free-clothing-on-roblox_GM431946152.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/free-unlimited-robux_GM431946152.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/how-to-earn-free-robux-with-prood_GM431946152.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/minecraft-java-free-account_GM479516143.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/free-robux-videos_GM431946152.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/coins-master-hack_GM406889139.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/free-roblox-avatar-ideas_GM431946152.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/free-diamond-generator-roblox-royale-high-dark-wed_GM431946152.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/free-spin-online-tool-coin-master_GM406889139.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/app-that-gets-you-free-robux_GM431946152.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/how-to-get-minecraft-for-free-on-chromebook_GM479516143.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/can-you-really-hack-coin-master_GM406889139.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/master-free-spins-and-coins_GM406889139.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/roblox-free-draw-2-tutorial_GM431946152.pdfIn PDF document text
- https://laokhwanhos.com/ckfinder/userfiles/files/coin-master-server-hack_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_off00002e74.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E74	22192 bytes
SHA-256: `9f89d7d83ceb868a0e44e846af848f6c098155700c2696a284b4d6154c7760da`
`font_01_sfnt_off00005fa0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5FA0	18764 bytes
SHA-256: `fac271e589278c8c4157923416e56fc6fead81bad552b20bddbb50dc0ef56938`

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