PDF malware analysis — malicious · d98291a72c4d9996

MALICIOUS

PDF

31.3 KB Created: 2021-07-19 17:52:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: c4076aecd7ff9a50621713710c795338 SHA-1: d4f96aa427b0036a9cfdb0dc4764cc113d5f228a SHA-256: d98291a72c4d9996cdf31e80bd8d7cc808ad446b28e47905971027da699b9c45

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, specifically advertising 'free generators' or 'game hacks' for popular games. The primary lure URL is http://netcdn.tw/app/479516143/play-minecraft-online-free-game-hack, which is associated with malicious redirector infrastructure. The document body also contains numerous other PDF links hosted on ghegamethu.vn, likely part of a broader phishing or scam campaign.

Machine Learning

Nyx PDF Classifier malicious score 0.9893

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 http://netcdn.tw/app/479516143/play-minecraft-online-free-game-hack In PDF document text
- http://ghegamethu.vn/images/free-robux-without-verification_GM431946152.pdfIn PDF document text
- http://ghegamethu.vn/images/how-to-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
- http://ghegamethu.vn/images/get-free-robux-2021_GM431946152.pdfIn PDF document text
- http://ghegamethu.vn/images/free-tiktok-followers-no-human-verification_GM835599320.pdfIn PDF document text
- http://ghegamethu.vn/images/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
- http://ghegamethu.vn/images/try-minecraft-free_GM479516143.pdfIn PDF document text
- http://ghegamethu.vn/images/is-minecraft-free-on-xbox_GM479516143.pdfIn PDF document text
- http://ghegamethu.vn/images/blox-land-free-robux_GM431946152.pdfIn PDF document text
- http://ghegamethu.vn/images/is-minecraft-education-edition-free_GM479516143.pdfIn PDF document text
- http://ghegamethu.vn/images/how-to-host-a-minecraft-server-for-free_GM479516143.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
`font_00_sfnt_off00002960.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2960	21820 bytes
SHA-256: `4b80791d83d46cfd122899864a23931873dba5daab21386de6fa352ce6ec48ee`
`font_01_sfnt_off00005975.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5975	17976 bytes
SHA-256: `e953997c623ab1bd3546e7b188ca680e36d1015a1cf7f46efbbf98890a47325d`

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