PDF malware analysis — malicious · 6c35e1ebb07b796e

MALICIOUS

PDF

41.6 KB Created: 2021-05-13 12:54:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 93ed778d43b53a85feecc8c28e7d2e3a SHA-1: 527aec082fd0ada65f902f5637edba91f56718db SHA-256: 6c35e1ebb07b796e578ae0ec19e8ad61300db36dcdb9353467adea0ef862cf1f

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a lure related to game hacks and free spins, specifically for Coin Master and Roblox. The primary link, https://netcdn.xyz/app/406889139/coin-master-free-spin-today-game-hack, is identified as a high-risk lure for game hacks. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect users to potentially malicious sites for credential harvesting or malware distribution. The ML classifier also strongly flagged this PDF as malicious.

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/coin-master-free-spin-today-game-hack PDF link annotation
- http://www.fabbrotorino.eu/images/roblox-2021-hack_GM431946152.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/https-rbx-place-rewards_GM431946152.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/free-roblox-pin-codes_GM431946152.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/coin-master-free-spins-for-iphone_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/coin-master-hack-apk-no-fb-login_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/promo-code-free-robux_GM431946152.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/roblox-pics_GM431946152.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/coin-master-free-spins-hack-ios_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/coin-master-hack-root_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/coin-master-free-generator_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/coin-master-cheat-codes-free_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/daily-free-spin-coin-master-link_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/coin-master-free-spins-without-human-verification_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/free-robux-thumbnail_GM431946152.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/how-to-use-scripts-in-roblox-hack_GM431946152.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/coin-master-hack-spins-free_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/coin-master-admin-free-spins_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/free-spin-sites-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/mobihack-net-roblox-hack_GM431946152.pdfIn PDF document text
- https://coinmasterspinandcoin.comIn 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_off00004902.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4902	24032 bytes
SHA-256: `127d474f314b9cdfcae5abd4bf9292ef6ae3276babbfb3bfe54710dbd2d27be2`
`font_01_sfnt_off00008011.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8011	18240 bytes
SHA-256: `a96ac7afd25cadbabafd1b9dbf0a180d0c1833ed2d07acb4363f122556c39d20`

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