PDF malware analysis — malicious · 8398b2c59eefd54b

MALICIOUS

PDF

42.9 KB Created: 2021-05-15 11:03:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 52633e8a738b78b06917afb2339ea6f8 SHA-1: 22f1f50f61dc3f92ee86499ee4d58f7d7d05f837 SHA-256: 8398b2c59eefd54b4eef1579776dd6b58cd221f90a0ce4a019ba3d49189d7436

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains a lure for game hacks and generators, directing users to a malicious URL. The ML classifier strongly indicates maliciousness, and the presence of embedded URLs suggests an attempt to download or redirect to a secondary payload. No scripts were extracted from this sample, limiting the ability to detail specific execution methods.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

PDF links to a 'free generator / game hack' redirector high 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.
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
External URI info PDF_URI

PDF contains an external URL action
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/how-to-get-free-robux-without-surveys-game-hack PDF link annotation
- http://www.pro-futuro.eu/images/robux-sites_GM431946152.pdfIn PDF document text
- http://www.pro-futuro.eu/images/coin-master-hack-apk-android_GM406889139.pdfIn PDF document text
- http://www.pro-futuro.eu/images/coin-master-hack-spins-free_GM406889139.pdfIn PDF document text
- http://www.pro-futuro.eu/images/coin-master-free_GM406889139.pdfIn PDF document text
- http://www.pro-futuro.eu/images/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- http://www.pro-futuro.eu/images/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
- http://www.pro-futuro.eu/images/minecraft-nintendo-switch-digital-code-free_GM479516143.pdfIn PDF document text
- http://www.pro-futuro.eu/images/give-me-robux-now_GM431946152.pdfIn PDF document text
- http://www.pro-futuro.eu/images/coin-master-free-coins-and-spins-group_GM406889139.pdfIn PDF document text
- http://www.pro-futuro.eu/images/coin-master-hack-tool-no-human-verification_GM406889139.pdfIn PDF document text
- http://www.pro-futuro.eu/images/original-roblox_GM431946152.pdfIn PDF document text
- http://www.pro-futuro.eu/images/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.pro-futuro.eu/images/coin-master-hack-without-verify_GM406889139.pdfIn PDF document text
- http://www.pro-futuro.eu/images/minecraft-pvp-hacks_GM479516143.pdfIn PDF document text
- http://www.pro-futuro.eu/images/coin-master-hack-apk-33-download_GM406889139.pdfIn PDF document text
- http://www.pro-futuro.eu/images/cool-free-minecraft-skins_GM479516143.pdfIn PDF document text
- http://www.pro-futuro.eu/images/rblx-gg-free-robux_GM431946152.pdfIn PDF document text
- http://www.pro-futuro.eu/images/roblox-royale-high-diamond-hack_GM431946152.pdfIn PDF document text
- http://www.pro-futuro.eu/images/free-spins-generated-from-coin-master_GM406889139.pdfIn PDF document text
- http://www.pro-futuro.eu/images/roblox-rape-hack_GM431946152.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_off0000479e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x479E	25564 bytes
SHA-256: `96e3617db326315268aceaa300d74faa6fea9b01ae394376742c63fb5126ec30`
`font_01_sfnt_off00008314.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8314	19060 bytes
SHA-256: `402aebe8c34fdbdb56c6d5ac0c879f316ccc47677bd032b34ef61ae0ac5a4f59`

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