PDF malware analysis — malicious · eb93e9c8d7f2d0ae

MALICIOUS

PDF

41.2 KB Created: 2021-05-13 10:03:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: fca9a64b793239ffb4b6dd15ef9b73d5 SHA-1: 2837c2293121140853d30b7b17e07adc92747e79 SHA-256: eb93e9c8d7f2d0ae517ed04a4b3522b491b9640b36751200903c6f4f17a7f889

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains a prominent link to a 'free generator / game hack' redirector, which is a common lure for users seeking in-game advantages. The document body and embedded URLs reinforce this theme by referencing game hacks and free currency for popular games. The primary URL, https://netcdn.xyz/app/406889139/free-coins-and-free-spins-coin-master-2021-game-hack, is likely the initial landing page for a malicious download or phishing attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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/free-coins-and-free-spins-coin-master-2021-game-hack PDF link annotation
- http://inforplace.com.br/ckfinder/userfiles/files/roblox36com-free-robux_GM431946152.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/android-coin-master-hack_GM406889139.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/robux-win_GM431946152.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/coin-master-map_GM406889139.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/how-to-get-minecraft-pe-for-free_GM479516143.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/oprewards-com-roblox_GM431946152.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/hack-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/how-do-you-download-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/coin-master-hack-8-ball-pool_GM406889139.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/coinmaster-spin-ml-free_GM406889139.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/free-robux-cards_GM431946152.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/static-moonactive-net-free-spins_GM406889139.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/hack-mod-coin-master_GM406889139.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/how-to-get-free-coins-on-coin-master-hack_GM406889139.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/what-is-coin-master_GM406889139.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/get-free-spins-link-in-coin-master_GM406889139.pdfIn PDF document text
- http://inforplace.com.br/ckfinder/userfiles/files/coin-master-heaven_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_off0000486c.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x486C	23780 bytes
SHA-256: `e58113b35546c09d5a8ad973dcf43075ca689f706020013bdb6f564067183728`
`font_01_sfnt_off00007dec.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7DEC	18460 bytes
SHA-256: `871f0cb0a27f8e5dd89901f10b004c29658dd5d4ba968b8e0fec3a5b4bbe6c5a`

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