PDF malware analysis — malicious · 728b8ee095dbf83d

MALICIOUS

PDF

44.3 KB Created: 2021-05-19 07:02:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 7cd02f89bf4a7a34047e7c64f550ba3c SHA-1: d76782362cf1f41831b3192b8017ecb6826a6994 SHA-256: 728b8ee095dbf83d39cf227cc52d3614e5a869e2c49e06e6fdb8b32693f7f3a0

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a high-severity heuristic indicating it links to a 'free generator / game hack' redirector, specifically pointing to 'https://netcdn.xyz/app/1330123889/pubg-70-uc-game-hack'. This lure is designed to trick users into visiting a potentially malicious site. While no scripts were explicitly extracted, the nature of the lure and the embedded URLs suggest a phishing or malware distribution attempt, likely initiated via a spearphishing attachment.

Machine Learning

Nyx PDF Classifier malicious score 0.9648

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/1330123889/pubg-70-uc-game-hack PDF link annotation
- http://lawpatron.ru/images/robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/how-to-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/minecraft-thumbnail-maker-free_GM479516143.pdfIn PDF document text
- http://lawpatron.ru/images/2021-free-coin-master-spins_GM406889139.pdfIn PDF document text
- http://lawpatron.ru/images/minecraft-java-for-free_GM479516143.pdfIn PDF document text
- http://lawpatron.ru/images/earn-robux-today_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/free-roblox-generator-for-roblox_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/how-to-get-free-robux-in-2021_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://lawpatron.ru/images/coin-master-daily-gifts_GM406889139.pdfIn PDF document text
- http://lawpatron.ru/images/how-to-get-minecraft-for-free-on-ipad_GM479516143.pdfIn PDF document text
- http://lawpatron.ru/images/minecraft-dungeons-free_GM479516143.pdfIn PDF document text
- http://lawpatron.ru/images/instant-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://lawpatron.ru/images/how-to-get-a-free-minecraft-account_GM479516143.pdfIn PDF document text
- http://lawpatron.ru/images/roblox-no-download-hack_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/coin-master-hacks-free-spins_GM406889139.pdfIn PDF document text
- http://lawpatron.ru/images/free-robux-2021-no-verification_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/how-to-change-username-on-roblox-for-free_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/free-robux-just-enter-username_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/roblox-generator-no-human-verification_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off0000488f.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x488F	25296 bytes
SHA-256: `341d472850e14130439afd02aadf724027ca8fe5baa56ab8a9d09c4112c4f132`
`font_01_sfnt_off00008150.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8150	2824 bytes
SHA-256: `94c1b019735d7e491765340abe50b2897410e2ec65ecf141c08bd9f2220897c4`
`font_02_sfnt_off00008afe.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8AFE	18128 bytes
SHA-256: `846dbf183307d8f6e64f9fe21baf3014a6636cea9664c4cc2f62249f657563a4`

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