PDF malware analysis — malicious · f8b9f36b0d3efb52

MALICIOUS

PDF

33.3 KB Created: 2021-06-27 18:43:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 270e9aa86deae4ddacda884b63f85995 SHA-1: 2117d7a8e1f53ac9c4d984db71415af96fd66dbf SHA-256: f8b9f36b0d3efb52cc8dfa63370112c3d34e512d48c73301804d229413fd64b1

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains numerous links and references to game hacks and cheats for popular games like Roblox and Coin Master. The primary lure directs users to 'http://netcdn.co/app/431946152/hack-para-dragon-ball-rage-roblox-2021-android-game-hack', which is flagged as a high-risk redirector likely serving malicious content. The ML classifier also strongly indicated maliciousness, supporting the conclusion that this document is designed to trick users into downloading malware or visiting further malicious sites.

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/hack-para-dragon-ball-rage-roblox-2021-android-game-hack PDF link annotation
- https://tanahlot.id/assets/CKImages/files/free-robux-yummers_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/coin-master-heaven-free-spins-link_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/when-tiktok-free-will_GM835599320.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/wurst-commands_GM479516143.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/how-to-hack-coin-master-apkmody_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/how-to-get-bc-for-free-roblox-2021_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/safe-cheat-engines-for-roblox_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/bots-hacker-en-roblox_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/how-to-get-free-followers-on-roblox_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/coin-master-jackpot-madness-hack_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/roblox-hacks-mrantifun_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/free-robux-codes-free_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/minecraft-free-edition_GM479516143.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/roblox-greg-hacker_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/how-to-duplicate-coin-master-spin-hack_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/coin-master-free-spin-and-coin-links_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_off00002d1f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2D1F	21260 bytes
SHA-256: `a883ac662e11b5bfccd29021bce0b612ea26b3fdcec25845a15a0194821be7de`
`font_01_sfnt_off00005b21.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5B21	19672 bytes
SHA-256: `132a2faee73de255e72809059c4240f36f04cba32832593f23d7e13b350d2143`

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