PDF malware analysis — malicious · 90d415aaa1ba82e7

MALICIOUS

PDF

41.9 KB Created: 2021-05-17 04:11:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 2984bc3381113fac3158c57315b7aef2 SHA-1: c22dd0e3038dfd8676f0c90a832105ae1472ea79 SHA-256: 90d415aaa1ba82e788b5b88404a14fa291357fde8f442259feacdb8b54b87fac

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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/406889139/free-spins-and-coins-for-coin-master-game-game-hack PDF link annotation
- http://schlossschaenke-andernach.de/images/how-to-get-free-unlimited-robux_GM431946152.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/roblox-hacks-2021_GM431946152.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/free-spins-coin-master-hack_GM406889139.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/weird-roblox_GM431946152.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/claim-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/blox-fish-free-robux_GM431946152.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/dailyrobux_GM431946152.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/mcpe-master-unlimited-coins-hack-apk_GM406889139.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/roblox-army-free-robux_GM431946152.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/coin-master-free-spins-link-2021-hack_GM406889139.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/how-to-hack-in-arsenal_GM431946152.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/free-robux-easy_GM431946152.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/coin-master-gold-cards-free-2021_GM406889139.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/minecraft-toolbox-premium-apk_GM479516143.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/coin-master-free-pet-snacks_GM406889139.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/guide--coin-master-free-tips_GM406889139.pdfIn PDF document text
- http://schlossschaenke-andernach.de/images/minecraft-thumbnail-maker-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
`stream_003_off00004886.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4886	24744 bytes
SHA-256: `da9d5151080a6828ac0b8da8867cb4aec5a1168a7ceeb6506ab20219d7c78a8a`
`font_01_sfnt_off00008167.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8167	18320 bytes
SHA-256: `d1cf6b486e789d6a7a281824944966070be141b92be060b449a52bae7023ebff`

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