PDF malware analysis — malicious · aa6b04fd1ebd391b

MALICIOUS

PDF

34.6 KB Created: 2021-07-09 19:39:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 6ce59ae17c4dcf46e7414f34bdf5cc47 SHA-1: c8e1b3726710cfa082792ce6232c4ad935f6b79c SHA-256: aa6b04fd1ebd391b32ae677d6822d56ae04c0a74aeb5f7c4912650175dcd19d6

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.tw/app/406889139/coin-master-apk-hack-2021-game-hack PDF link annotation
- https://www.solararabialtd.com/uploaded_files/userfiles/files/is-minecraft-bedrock-free_GM479516143.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/how-to-hack-roblox-assassin-2021_GM431946152.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/roblox-builders-club-hack-no-survey_GM431946152.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/coin-master-app-free-download_GM406889139.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/tiktok-free-crunchyroll_GM835599320.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/how-to-get-clothes-for-free-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/apps-for-free-robux_GM431946152.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/how-can-i-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/free-roblox-script-executor_GM431946152.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/minecraft-realms-free-trial_GM479516143.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/minecraft-alt-accounts-free_GM479516143.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/more-robux_GM431946152.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/roblox-microsoft-rewards_GM431946152.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/free-robux-games-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/how-to-get-hair-on-roblox-that-costs-robux-free_GM431946152.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/coin-master-free-rare-cards_GM406889139.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/cheat-enging-for-roblox_GM431946152.pdfIn PDF document text
- https://www.solararabialtd.com/uploaded_files/userfiles/files/coin-master-free-spins-daily-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
`font_00_sfnt_off00003263.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3263	22092 bytes
SHA-256: `d5ad984dc33e2120edc8e71ee1e11c2c64afd609e274577f1afc868cb8828908`
`font_01_sfnt_off00006376.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6376	18580 bytes
SHA-256: `9ddf7aed626e59ba525b858e6801d404809e6e62faeb09e5b62449fd66731fe4`

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