PDF malware analysis — malicious · 191473f895b35b6e

MALICIOUS

PDF

48.9 KB Created: 2021-06-07 14:22:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-22

MD5: 3c38e8d5c605e8027413a847a09c2de4 SHA-1: 0f3c7f5f230cdd6c8b0b9001d051fdc52420cea9 SHA-256: 191473f895b35b6e531c98aeb7ff60677814fddc1ad6bf7e7c5f6fe6f94dc662

160 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9796

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.tw/app/431946152/how-to-hack-roblox-with-cheat-engine-for-robux-game-hack In PDF document text
- http://baxtton.com/sites/default/files/files/minecraft-ps3-free-download_GM479516143.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/hack-coin-master-site-rssingcom_GM406889139.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/com-roblox_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/coin-master-free-spins-and-coins-daily_GM406889139.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/free-minecraft-client_GM479516143.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/coin-master-free_GM406889139.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/coin-master-hack-spins-and-coins-unlimited-free_GM406889139.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/how-to-get-free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/roblox-free-item-codes_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/how-to-get-free-robux-without-surveys_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/minecraft-hacks-115-2_GM479516143.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/minecraft-hacks-18-9_GM479516143.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/hack-coin-master-link_GM406889139.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/tiktok-minecraft-hacks_GM479516143.pdfIn PDF document text
- http://baxtton.com/sites/default/files/files/pubg-uc-rate-in-pakistan_GM1330123889.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_004_off00005218.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5218	26656 bytes
SHA-256: `bc9c3452c6ce49483cd7046a3b30636787c0f2a1c0d21cea37f15776cce09f47`
`font_01_sfnt_off00008edd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8EDD	2880 bytes
SHA-256: `10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132`
`font_02_sfnt_off000098c7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x98C7	19528 bytes
SHA-256: `1e3746a89477d450ff8ed254827f1c7b7239a7f1d68efaf7765aba0225378b3c`

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