PDF malware analysis — malicious · 59eab4e5834db13b

MALICIOUS

PDF

43.7 KB Created: 2021-05-16 11:28:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: dcf3116e73d7dc03d851b80b78627d11 SHA-1: abf2bcd21d46cd42b4983beb8aeedff50f524798 SHA-256: 59eab4e5834db13b1659f013bc89ac88bb6dcb97e826157e07fad7c817fe8477

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure for game hacks and free items, directing users to a malicious URL. The ML classifier strongly indicates maliciousness, and the presence of external URIs and a download button lure further support this. The document's purpose is to trick users into visiting a site that likely hosts further malicious content or exploits.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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.xyz/app/431946152/hacked-roblox-accounts-list-game-hack PDF link annotation
- https://www.mierepair.com/uploaded_files/userfiles/files/minecraft-windows-10-hack-client-2021_GM479516143.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/robux-free-com_GM431946152.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/free-robux-without-offers_GM431946152.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/how-to-download-minecraft-for-free-on-android_GM479516143.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/john-doe-roblox-hacker_GM431946152.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/coin-master-hack-xyz-download-free_GM406889139.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/free-robux-app_GM431946152.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/how-to-get-free-robux-fast-and-easy_GM431946152.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/free-roblox-templates_GM431946152.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/claim-gg-free-robux_GM431946152.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/moonactive-free-spins-2021_GM406889139.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/daily-free-spins-coin-master-heaven_GM406889139.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/how-to-download-wurst_GM479516143.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/win-free-robux_GM431946152.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/coin-master-free-spins-facebook_GM406889139.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/roblox-group-free-robux_GM431946152.pdfIn PDF document text
- https://www.mierepair.com/uploaded_files/userfiles/files/free-coin-master-coins_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
`stream_003_off00004c46.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4C46	25792 bytes
SHA-256: `73a1a9710cedbb86e91d00f1b2d5e06cfe8043855e3859b55a4c35fb871dd5e0`
`font_01_sfnt_off000086ed.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x86ED	18720 bytes
SHA-256: `4364cdcc1b4e431b6a7cfc51a44ccbde59c7a972961f4ddbd0871ac7a20bc545`

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