PDF malware analysis — malicious · e568849d69a962ee

MALICIOUS

PDF

33.1 KB Created: 2021-06-30 08:18:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 69afd4efce6b3bf3c7a24e7d9431e7fc SHA-1: e95587d2200249fffbceb49f28d066a6bb91d6a8 SHA-256: e568849d69a962eee69469677d655c0cc26cb43e9551cccd5aa656d0ecce72b9

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure related to 'free Robux' and directs users to a URL that is flagged as a game hack redirector. The document body and embedded URLs strongly suggest a phishing or scam attempt to trick users into visiting malicious sites. Although no scripts were explicitly extracted, the PDF structure and embedded URLs indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9824

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/how-to-get-free-robux-on-roblox-games-game-hack PDF link annotation
- https://loba.com.vn/public/upload/files/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/hack-into-roblox-acount_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/coin-master-play-online-free_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-if-join-group_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/guess-the-character-roblox-free-robux-answers_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-to-get-more-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-minecraft-account-generator_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/roblox-music-hack_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/roblox-vehicle-simulator-money-miles-hack_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-to-get-free-daily-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/bux-fund-free-robux_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/robuxian-hack-to-steal-robux_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/cheat-engine-roblox-jailbreak_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/body-building-roblox-weightlifting-hack_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/tiktok-free-folowers-joker_GM835599320.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/one-for-all-free-shop-t-schirts-roblox_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/coin-master-hack-apk-free-download_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/hack-card-collection-coin-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-generator-2021_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_off00002b3e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2B3E	22028 bytes
SHA-256: `13f7b1d6251805d91c33ac27b62b282cf0720ce868a475828a8f7da8d5872ae8`
`font_01_sfnt_off00005bbd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5BBD	19320 bytes
SHA-256: `c78e937b243a15e3783a027edb2384c44829c4b89c3c69919af39325b9a9d9ba`

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