PDF malware analysis — malicious · 5e4c0faa4ab77f4f

MALICIOUS

PDF

44.3 KB Created: 2021-05-11 21:02:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 33a914c32fec1030993bf5459679cb08 SHA-1: 7a50d0f98b2a13d28dc49d54ca188e4741880fb7 SHA-256: 5e4c0faa4ab77f4f829c3f9106c2f05a454391333aaf965fb53e5d541d69b104

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 0.9980

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 https://netcdn.xyz/app/431946152/free-robux-com-real-game-hack PDF link annotation
- http://www.homesweethome.pl/images/will-minecraft-ever-be-free_GM479516143.pdfIn PDF document text
- http://www.homesweethome.pl/images/how-to-hack-coin-master-ios_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/coin-master-hack-iosgods_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/password-free-roblox-accounts_GM431946152.pdfIn PDF document text
- http://www.homesweethome.pl/images/coin-master-free-spins-generator_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/coin-master-on-facebook_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/village-3-coin-master_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/free-robux-only-username_GM431946152.pdfIn PDF document text
- http://www.homesweethome.pl/images/free-minecraft-mods_GM479516143.pdfIn PDF document text
- http://www.homesweethome.pl/images/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/hack-master-coin-pc_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/krnl-download_GM431946152.pdfIn PDF document text
- http://www.homesweethome.pl/images/free-robux-generator-2021_GM431946152.pdfIn PDF document text
- http://www.homesweethome.pl/images/how-to-change-your-name-in-roblox-for-free_GM431946152.pdfIn PDF document text
- http://www.homesweethome.pl/images/coin-master-cheats-2021_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/coin-master-free-spin-ml_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/40-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://www.homesweethome.pl/images/how-to-use-scripts-in-roblox-hack_GM431946152.pdfIn PDF document text
- http://www.homesweethome.pl/images/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- http://www.homesweethome.pl/images/get-free-spins-on-coin-master-2021_GM406889139.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_off00004920.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4920	28664 bytes
SHA-256: `991404dc9124ac6b8f80b9c12b0a74e11c46711aed145146481f549377bc6019`
`font_01_sfnt_off00008a45.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A45	18576 bytes
SHA-256: `a83edd52c2be056a67ce389c2e3103e44ea5f6bc4cdf4c28a35d8553f09f80ba`

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