PDF malware analysis — malicious · f2ace3d631563545

MALICIOUS

PDF

41.8 KB Created: 2021-04-25 19:20:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07

MD5: e6306bff716ccff3bb90e8df49b19ceb SHA-1: 979e94508400b226b0ca0c6c19d92acddfe9b342 SHA-256: f2ace3d631563545f11786a51d0647768fe44d21e85acfa330e7232e4c443853

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites offering game hacks and cheats, which are common lures for malicious content. The heuristic firings indicate that these links point to known malicious redirectors and infrastructure. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a workflow designed to trick users into visiting malicious sites, likely for further exploitation or credential harvesting.

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/cheats-for-elemental-battlegrounds-roblox-game-hack In PDF document text
- http://charivne.info/ckfinder/userfiles/files/adopt-me-roblox-play-for-free.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/set-it-all-free-roblox-id.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/robux-planet-hack.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/roblox-building-hacker-gegen.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/how-to-hack-teleport-a-player-in-roblox.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/roblox-mobile-hacks-for-free.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/all-free-roblox-items-2021.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/this-obby-gives-you-free-robux.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/free-robux-for-bloxburg.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/como-tener-free-robux-on-roblox.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_off000042ae.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x42AE	27004 bytes
SHA-256: `4193a5afe75c530d31dff5351ab791d0ddb5d6565c99e5405300a5c8f2b72652`
`font_01_sfnt_off00007eca.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7ECA	19308 bytes
SHA-256: `98870f20eea961eec592b5bc93b462d212cf240540709e2e7f7c5642b2d5f179`

Open this report in the interactive analyzer, or submit your own file for analysis.