PDF malware analysis — malicious · 7062207a131e8bfb

MALICIOUS

PDF

45.4 KB Created: 2021-05-17 07:33:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 1fe42cea206abbaa8acd5c975b183047 SHA-1: 595f4603c5a9e3d0b33876bc2d1afcfeff809bd5 SHA-256: 7062207a131e8bfbf7f883dbb67a4e8adcbbffebec416c7d3c5d755bdd4957b9

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure for a "free generator / game hack" to obtain Robux, directing users to a suspicious URL. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect users to malicious content or a scam. The ML classifier also flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9507

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/get-me-robux-for-free-game-hack PDF link annotation
- http://www.sfakia-online.com/images/how-to-get-free-roblox-premium_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/free-robux-no-verification-at-all_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/300-daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/roblox-adopt-me-hack_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/roblox-sign-in-free_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/get-2021-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-free-spins-hack-download_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/roblox-com-free-robux_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-hack-spin-generator-tool_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/roblox-april-fools-hack_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/earn-robux-sites_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-free-spins-and-coins-daily-links_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-server-hack_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/http-blackgamesus-coinmasterhack_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/how-to-get-free-robux-without-surveys_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-hack-tool-ios_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/rich-free-roblox-accounts_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-hack_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004ae6.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4AE6	25024 bytes
SHA-256: `798a26b0a529149ab85638e13684f35d6708d357a9172b2ea9b222997e985f7b`
`font_01_sfnt_off000084ee.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84EE	2844 bytes
SHA-256: `baad2f3f6808f4af03fa9398e38c580c8d846f7f773a947d8cc1f39b2753d31a`
`font_02_sfnt_off00008eb0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8EB0	18312 bytes
SHA-256: `932e048767bb22e6267a54c454926b1d6572868c8ffb63cd4dd0c91a684054b1`

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