PDF malware analysis — malicious · 61fc9e76c29d038b

MALICIOUS

PDF

34.2 KB Created: 2021-06-18 13:37:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 4a26b5b86fa7556bc34d6057d1286eef SHA-1: bc9d381fb7366dfbbef4f3f86291bbf38613488f SHA-256: 61fc9e76c29d038b3fe1d18d20d57db794734322164be10e869e0116e5329fab

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains a high-confidence heuristic firing for a game hack redirect lure, pointing to a suspicious URL. The document body also contains the same URL, reinforcing the lure. This suggests the PDF is designed to trick users into visiting a malicious site, likely to download further malware or engage in credential harvesting.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/robux-hacks-that-work-2021-game-hack PDF link annotation
- https://www.elevage-chiot.fr/images/free-robux-only-1-step_GM431946152.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/minecraft-free-download-pc_GM479516143.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/roblox-free-black-wings_GM431946152.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/minecraft-classic-free_GM479516143.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/roblox-hack-download_GM431946152.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/best-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/how-to-get-free-tokens-in-minecraft-ps4_GM479516143.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/coin-master-hack-2021-without-verification_GM406889139.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/free-spins-coin-master-blogspot_GM406889139.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/roblox-cheat_GM431946152.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/coin-master-hack-app_GM406889139.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/minecraft-hacks_GM479516143.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/tiktok-free-pizza_GM835599320.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/how-to-get-minecraft-for-free-on-xbox-360_GM479516143.pdfIn PDF document text
- https://www.elevage-chiot.fr/images/huskybuckscom-free-robux_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_off00002ef3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2EF3	21828 bytes
SHA-256: `c34836fafe4a096aa70e63365118cad9f0deb58722f9b57f38a4ceb3afdfa9d8`
`font_01_sfnt_off00005f61.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F61	19404 bytes
SHA-256: `ea0ecafe6553cc25bcb3705a5a814e4d7c607a48131147d10d923dee6ad6ab64`

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