PDF malware analysis — malicious · 2971df1264150220

MALICIOUS

PDF

33.6 KB Created: 2021-06-21 08:04:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 51e8e36f4db92e2faba5fca551bf2427 SHA-1: 1e422198c8664448b5c69a8479a8235212edafb4 SHA-256: 2971df126415022015cba33ce0d6e1552ae719fc79b180e549ecfacfa3714ada

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/free-robux-hack-sheet-game-hack PDF link annotation
- http://www.sfakia-online.com/images/recover-hacked-roblox-account_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/speed-hacks-roblox-download_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-free-spins-activegamer_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/how-to-get-roblox-on-xbox-360-for-free_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/roblox-cheats-android-robux_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/robux-redeem_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/tiktok-followers-for-free_GM835599320.pdfIn PDF document text
- http://www.sfakia-online.com/images/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/hacker-minecraft-song_GM479516143.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-tool-hack_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/blogger-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/free-robux-without-offers_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/minecraft-fly-hack_GM479516143.pdfIn PDF document text
- http://www.sfakia-online.com/images/is-free-robux-real_GM431946152.pdfIn PDF document text
- http://www.sfakia-online.com/images/tiktok-free-account_GM835599320.pdfIn PDF document text
- http://www.sfakia-online.com/images/coin-master-cards-free_GM406889139.pdfIn PDF document text
- http://www.sfakia-online.com/images/robux-hack_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_off00002d30.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2D30	21940 bytes
SHA-256: `eb676123e76dbd6e98074eb8737660769aa7cca6e2df705a5a154a421fe09aef`
`font_01_sfnt_off00005ded.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DED	19156 bytes
SHA-256: `2c317cb27afd3442694d21901b1700eeb48bbef5710cc5fb9d75f6e700e7f415`

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