PDF malware analysis — malicious · 82c0284de014bcaf

MALICIOUS

PDF

45.0 KB Created: 2021-06-03 15:33:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 7d0ea9317a5c82ce5fd6b80b09cc35ce SHA-1: 157062ed58c7d4bcc2d25d3f5b3489021b04947f SHA-256: 82c0284de014bcaffc3861cdf168eb4682c9c01daeabde430ab3b14e1d4460ae

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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/can-i-get-free-robux-game-hack PDF link annotation
- https://www.themerchantshouse.co.uk/uploads/files/files/coin-master-free-spins-link-no-verification-2021_GM406889139.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/free-draw-2-roblox_GM431946152.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/coin-master-free-spin-app-apk_GM406889139.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/free-diamonds-coin-master_GM406889139.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/coin-master-hack-ios-2021_GM406889139.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/roblox-robux-generator-2021_GM431946152.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/minecraft-pe-017-0-apk-free-download-android_GM479516143.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/how-to-make-a-group-on-roblox-for-free_GM431946152.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/roblox-free-hair-codes_GM431946152.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/real-free-robux-generator_GM431946152.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/how-to-earn-free-spin-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/what-do-roblox-points-do_GM431946152.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/how-to-get-free-roebucks-in-roblox_GM431946152.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/100-hack-coin-master_GM406889139.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/tiktok-for-free-install_GM835599320.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/coin-master-free-spin-reward-links_GM406889139.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/how-to-get-minecraft-for-free-on-android_GM479516143.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/how-to-get-minecoins-in-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/minecraft-pe-apk-free-download_GM479516143.pdfIn PDF document text
- https://www.themerchantshouse.co.uk/uploads/files/files/get-free-spins-on-coin-master_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_off000054a2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x54A2	24528 bytes
SHA-256: `3a0581e9e6381916a51999266be50d6f3029becb9707044d600ed2551d494cfe`
`font_01_sfnt_off00008cf9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CF9	18344 bytes
SHA-256: `a3821bea5d8002917ca36036ff520c3c0be187df4be91a81bd8356ddd2b369c9`

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