PDF malware analysis — malicious · 3a836114e447c258

MALICIOUS

PDF

43.0 KB Created: 2021-05-13 07:08:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: e38123d26c119200a4c193aab5a21c7e SHA-1: 4fc38f87526936cc34e02538d8533ef20e8e87f9 SHA-256: 3a836114e447c258f3f08c2e22f1c640d3ed2e4c6297096409f1dfda96ff354d

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a lure related to free Robux and game hacks to entice users to click on embedded links. The primary link redirects to known malicious infrastructure, indicating a phishing or scam attempt. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a malicious intent to redirect users to potentially harmful sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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/where-to-get-free-robux-game-hack In PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/how-to-earn-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/roblox-character-free_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/roblox-hacks-2021_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/how-to-make-robux-on-roblox_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/free-robux-live_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/coin-master-free-spin-best-link_GM406889139.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/how-to-get-free-food-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/minecraft-hacks-pc_GM479516143.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/descargar-hack-coin-master_GM406889139.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/how-to-make-a-free-server-in-minecraft-java_GM479516143.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/roblox-hack-me-robux_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/coin-master-free-spins-without-human-verification_GM406889139.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/coin-master-free-coins-link-blogspot_GM406889139.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/coin-master-hack-xyz-download_GM406889139.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/free-robux-offers_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/getrobux-come_GM431946152.pdfIn PDF document text
- http://www.area-tlc.com/public/ckfinder/userfiles/files/free-spins-and-coins-coin-master-2021-link_GM406889139.pdfIn 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_off00004aa7.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4AA7	25564 bytes
SHA-256: `f0703d87b69af6e584ef278ac5f21a62c12ecbd341ecf4120527e8c70ee88256`
`font_01_sfnt_off0000850b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x850B	18484 bytes
SHA-256: `fb52c80d186d334eb1da06902c7e87ffbc7c7b48a2b49bbb6429fdd2e0d05906`

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