PDF malware analysis — malicious · df62f876108e587b

MALICIOUS

PDF

45.2 KB Created: 2021-06-03 03:13:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 20e9618c8c33f1ecf1fe620851417c65 SHA-1: c35dac61dfda354243c6ffc2294496db150f75b7 SHA-256: df62f876108e587b5a69aeb58604ff107a37decd04780e49dc14a4be18a71ddc

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks and generators, directing users to a suspicious URL. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content. No scripts were extracted, but the document's structure and embedded links suggest it's designed to trick users into visiting a malicious site.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

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/431946152/roblox-moderators-game-hack PDF link annotation
- https://www.yatatravel.com/uploaded_files/userfiles/files/tiktok-free-movie-website_GM835599320.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/games-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/minecraft-pe-free-ios_GM479516143.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/roblox-hacked-com-2021_GM431946152.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/coin-master-cheats-free-spins_GM406889139.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/coinmaster-links_GM406889139.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/can-i-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/minecraft-account-hacked_GM479516143.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/hack-coin-master-with-lucky-patcher_GM406889139.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/coin-master-hacks-free-spins_GM406889139.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/how-to-hack-someones-minecraft-account_GM479516143.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/roblox-phantom-forces-hack_GM431946152.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/minecraft-pc-download-free-full-version_GM479516143.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/free-robux-videos_GM431946152.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/rbxcity-free-robux_GM431946152.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/coin-master-free-spin-and-coin-link-app_GM406889139.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/free-robux-co_GM431946152.pdfIn PDF document text
- https://www.yatatravel.com/uploaded_files/userfiles/files/minecraft-pe-free-download-ios-no-jailbreak_GM479516143.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
`stream_004_off000053cd.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x53CD	24856 bytes
SHA-256: `656ec58b7000a1733a325d1d089560880400f78ea83b519bada4d15d1f53d6f7`
`font_01_sfnt_off00008d6e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8D6E	18488 bytes
SHA-256: `0988d84c654cad7fd64df8ed03d3555b2dfd5e63404faa7131ff859ccef1ee1c`

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