PDF malware analysis — malicious · 230263c2d7d8a1a1

MALICIOUS

PDF

43.8 KB Created: 2021-05-17 21:10:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 0e3206421eb4c97ce11a323e30f4af9a SHA-1: 10ea4db6ccf6a30c258c4b5ce16dbcb80aed66bb SHA-256: 230263c2d7d8a1a1b08986152f907f5ea81b9ba0c0b2da3465da2abcc2ab7e0a

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, disguised as game hacks and generators. The primary lure URL is https://netcdn.xyz/app/431946152/free-roblox-wings-game-hack, which is designed to trick users into clicking through to potentially harmful content. The document body and heuristics strongly indicate a phishing or scam attempt, likely delivered as a spearphishing attachment.

Machine Learning

Nyx PDF Classifier malicious score 0.9648

Heuristics 4

PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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
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/431946152/free-roblox-wings-game-hack In PDF document text
- https://zabota-kashira.ru/images/robux-generator-no-verification-needed_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/free-robux-generator-2021_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/10-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/free-coin-master-androd-cheats-2021_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/free-robux-videos_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/free-minecraft-capes_GM479516143.pdfIn PDF document text
- https://zabota-kashira.ru/images/free-spin-coin-master-new-link_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/coin-master-hack-app-download-free_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/coin-master-70-spin-link-2021_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/daily-coin-master-free-link_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/coin-master-connection-lost_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/free-spins-coin-master-hack_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/roblox-games-com-free_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/free-robux-offers_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/coin-master-free-chip_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/free-games-like-roblox_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/114-hacks_GM479516143.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
`font_00_sfnt_off000046d6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x46D6	24300 bytes
SHA-256: `4e2977b5ca1c10022a67f024ab154e187f7b4ad5fa0441f71ca5eaac4e803493`
`font_01_sfnt_off00007dff.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7DFF	2820 bytes
SHA-256: `d88f25cfe237a714f996150a11dd8a058f0f7c3e9d1ae91c17b46c10409b6c0b`
`font_02_sfnt_off00008799.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8799	18556 bytes
SHA-256: `be4a7fa60d0342eba16b97979fd8cdd281d22ca1626ad71a9b2f053d4e6b2b75`

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