PDF malware analysis — malicious · c1c10e686900a93d

MALICIOUS

PDF

35.1 KB Created: 2021-06-21 23:11:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: dd12279021290c6a616d1093f8267b6c SHA-1: ac7c8fb0c272c5855a63855004e38851e002dbc4 SHA-256: c1c10e686900a93d562b1205b12cacf6f2e515c0cab00cc3d75ba60e76727662

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 http://netcdn.co/app/431946152/roblox-code-free-beyblade-burst-game-hack PDF link annotation
- http://www.sfakia-online.com/images/free-robux-hack-sheet_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/regal-world-coin-master_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/minecraft-jar-free_GM479516143.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-free-coins--spins_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/free-followers-on-tiktok_GM835599320.pdfIn PDF document text
- http://www.sfakia-online.com/images/free-roblox-gift-card-codes-list-november-2021_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-rewards-free-spins_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/free-tiktok-followers-no-human-verification-or-survey-2021_GM835599320.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/minecraft-pocket-edition-free-ios_GM479516143.pdfIn PDF document text
- http://www.sfakia-online.com/images/free-shirts-on-roblox-2021_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/minecraft-ps4-free_GM479516143.pdfIn PDF document text
- http://www.sfakia-online.com/images/free-roblox-clothes-for-your-avatar_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/adidas-roblox-t-shirt-free_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/get-free-robux-2021_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/roblox-codes-for-free-hair_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/free-spin-hack-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/how-to-cheat-money-into-roblox-high-school_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
`stream_002_off00002f59.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2F59	23356 bytes
SHA-256: `dd742e9416898c591af6e74e384c4734801393f1d9495e654f22fb1500d99aa9`
`font_01_sfnt_off00006395.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6395	19248 bytes
SHA-256: `9c18f12c0e8f3789b87913b69a8a9194bf806ce38513f316178e625810073a68`

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