PDF malware analysis — malicious · 12e422011e3c7ba6

MALICIOUS

PDF

33.7 KB Created: 2021-06-19 21:08:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: b99418dc9d5828115d262ba9670f9ce9 SHA-1: 80ed7e1f5c88ac875110941e68b3fab57407097a SHA-256: 12e422011e3c7ba6cdaca2beab4cf22db8222ee5fb984d5ba6c3570b345989e4

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacking, specifically for Roblox and Coin Master, directing users to a suspicious URL. The ML classifier strongly indicated maliciousness, and the presence of embedded URLs and a download button lure further supports a malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it is designed to lead the user to a malicious site, likely for credential harvesting or malware download.

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/can-you-hack-your-own-roblox-game-hack PDF link annotation
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/roblox-hack-account-free_GM431946152.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/minecraft-for-chromebook-free_GM479516143.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/roblox-arsenal-hack_GM431946152.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/coin-master-free-coins-and-spins-app_GM406889139.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/coin-master-hack-tool-v1-9-download_GM406889139.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/free-roblox-accounts-with-robux-2021_GM431946152.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/how-to-get-free-coins-in-coin-master-game_GM406889139.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/free-robux-microsoft_GM431946152.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/roblox-free-roblox_GM431946152.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/roblox-speed-hack_GM431946152.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/roblox-hacking-website_GM431946152.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/is-free-robux-real_GM431946152.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/minecraft-java-for-free_GM479516143.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/free-robux-that-actually-works-2021_GM431946152.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/free-robux-without-verify_GM431946152.pdfIn PDF document text
- https://www.payaljewelleryfiji.com/uploaded_files/userfiles/files/android-oyun-club-roblox-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_off00002c1a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2C1A	22724 bytes
SHA-256: `71bedaee339bb824223eeaa34c039c055046cbc391e7b2dc86bfacdb21c11006`
`font_01_sfnt_off00005ecc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5ECC	19120 bytes
SHA-256: `42f9ffc3414712e116bb689ec9c339b493a497eaf4e34b28d1b031943a2b232e`

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