PDF malware analysis — malicious · 806e3312dbfdd92a

MALICIOUS

PDF

41.4 KB Created: 2021-04-27 22:09:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: a3709adb5280ad0d1cda26da719fa3f1 SHA-1: a346e1fecc7077c546b5a327568d1fd314d455af SHA-256: 806e3312dbfdd92aae234183cad8ffb5a2b438da849ed05f64e07765fe5c1a44

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple links to a known malicious redirector infrastructure, specifically promoting 'Roblox Hack' and 'free generator' lures. The document body explicitly contains the URL 'https://netcdn.xyz/app/431946152/system48-roblox-hack-game-hack' and a call to action to 'CLICK HERE TO ACCESS ROBLOX GENERATOR'. This indicates a phishing or scam attempt designed to lead users to malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.9941

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/system48-roblox-hack-game-hack In PDF document text
- https://library.itn.ac.id/perpusitn/repository/free-robux-clan.pdfIn PDF document text
- https://library.itn.ac.id/perpusitn/repository/roblox-majora-free.pdfIn PDF document text
- https://library.itn.ac.id/perpusitn/repository/free-crystal-redeem-code-star-wars-in-roblox.pdfIn PDF document text
- https://library.itn.ac.id/perpusitn/repository/can-you-hack-someone-roblox.pdfIn PDF document text
- https://library.itn.ac.id/perpusitn/repository/hack-roblox-script-no-viros.pdfIn PDF document text
- https://library.itn.ac.id/perpusitn/repository/free-roblox-injector.pdfIn PDF document text
- https://library.itn.ac.id/perpusitn/repository/hack-de-roblox-para-conseguir-robux.pdfIn PDF document text
- https://library.itn.ac.id/perpusitn/repository/download-roblox-hack.pdfIn PDF document text
- https://library.itn.ac.id/perpusitn/repository/free-robux-eith-no-verifications.pdfIn PDF document text
- https://library.itn.ac.id/perpusitn/repository/roblox-hack-proxo-smasher.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_off0000419c.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x419C	26520 bytes
SHA-256: `ed36c329e84adaef789e7a1219d3900e60019e39c786acef89d6c8ae5f8c9c84`
`font_01_sfnt_off00007dda.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7DDA	18996 bytes
SHA-256: `7cef8ad557cb749e568003d56ed47f6858d13cc154de5075343ab45ba1b092b9`

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