PDF malware analysis — malicious · 2db576c3a7f2d876

MALICIOUS

PDF

46.5 KB Created: 2021-06-03 22:05:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: 3b3a6d1ca3f3c56af053c2678e35b523 SHA-1: 476a0c8b7b4b0eba11654b562a210f6a94d8b3e3 SHA-256: 2db576c3a7f2d876f7ad982fe65322ef4559acd4c05bcce24b066815178c5277

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a prominent link disguised as a game hack generator, specifically for Coin Master. This link, 'https://netcdn.online/app/406889139/coin-master-daily-free-spins-link-haktuts-game-hack', is flagged as a high-risk redirector. The document's structure and embedded URLs strongly suggest a phishing or scam attempt to lure users to a potentially malicious website.

Machine Learning

Nyx PDF Classifier malicious score 0.9748

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 https://netcdn.online/app/406889139/coin-master-daily-free-spins-link-haktuts-game-hack PDF link annotation
- http://www.js100.com/uploads/ckeditor/files/legit-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/coin-master-free-spins-and-coins-group_GM406889139.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/cmaster-club-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/free-robux-clothes_GM431946152.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/roblox-free-wings_GM431946152.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/coin-master-hack-tool-v1-9-download_GM406889139.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/roblox-hack-download-pc_GM431946152.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/how-to-get-free-robux-on-ipad_GM431946152.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/www-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/free-robux-download_GM431946152.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/free-robux-not-fake_GM431946152.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/levvvel-coin-master_GM406889139.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/how-do-you-earn-free-coins-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/free-robux-no-survey_GM431946152.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/minecraft-ps3-free-download_GM479516143.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/can-you-download-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/free-coins-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/unlimited-robux-2021_GM431946152.pdfIn PDF document text
- http://www.js100.com/uploads/ckeditor/files/how-to-get-free-robux-without-any-verification_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off00004efd.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4EFD	24972 bytes
SHA-256: `8208f25d727f811dde871fad46c3b7df62d88d593a033b1670737788cfc2480d`
`font_01_sfnt_off000087e1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x87E1	2928 bytes
SHA-256: `0bb26577d52c8d51e00ad4edc5eaecc41f30204c62dca387b29f5eedfceecc2d`
`font_02_sfnt_off000091fe.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x91FE	18620 bytes
SHA-256: `b3c31be8a1333c3d9df8c736a52b75e17047f38808bb656eb58e4e4bec5e9b22`

Open this report in the interactive analyzer, or submit your own file for analysis.