PDF malware analysis — malicious · afcb2eb553f455e2

MALICIOUS

PDF

48.7 KB Created: 2021-05-17 09:54:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: e05c196b529d1b430d0c6e0385c81406 SHA-1: d2699a0f9dd1ce2f2c6179d8348468ce63c33210 SHA-256: afcb2eb553f455e2c74151128edcf00ab68e6077eb78f5d25ca0b66cab3319eb

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a high-severity heuristic firing indicating it links to a 'free generator / game hack' redirector. The document body, though partially corrupted, contains references to game hacks and URLs related to Coin Master and Roblox. This suggests the document's primary purpose is to trick users into visiting malicious sites that likely host malware or phishing content.

Machine Learning

Nyx PDF Classifier malicious score 0.8642

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/coinmaster-com-game-hack PDF link annotation
- http://www.fabbrotorino.eu/images/minecraft-beta-free_GM479516143.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/how-to-hack-someones-account-on-roblox_GM431946152.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/coin-master-free-spins-hack-apk-download_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/free-roblox-gift-card-codes-2021-unused_GM431946152.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/coin-master-link-daily-get-free-spins-amp_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/minecraft-for-laptop-free_GM479516143.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/free-2021-robux_GM431946152.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/how-to-get-free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/coin-master-free-spins-link-today-hack_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/free-coin-master-spin-daily-link_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/spin-coin-master-free_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/download-hacked-games-com-coin-master_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/free-roblox-gear_GM431946152.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/roblox-com-hack_GM431946152.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/www-robux-redeem_GM431946152.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/mobihack-net-roblox-hack_GM431946152.pdfIn PDF document text
- http://www.fabbrotorino.eu/images/free-minecraft-addons_GM479516143.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004997.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4997	24516 bytes
SHA-256: `0437c71f8126da451f6e6a32b1758fcd038ea8f22eef564a4b0d829763cad599`
`font_01_sfnt_off00008199.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8199	2820 bytes
SHA-256: `96a70491b0783ad8c6fc9b11a18f021aa22c69ac41ee4499b781d16a1b99b689`
`font_02_sfnt_off00008b35.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8B35	7332 bytes
SHA-256: `d811e0aca85f3b94c42cd1240eec68b8eb378f3d8be5e408d3f6abd0f11f834d`
`font_03_sfnt_off00009d4e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9D4E	17808 bytes
SHA-256: `35201c89c21c447e3a5acf437bfd3f20f3f3410cea54d73bd8e308df4a931eaa`

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