PDF malware analysis — malicious · e92a4628c6db96ac

MALICIOUS

PDF

35.0 KB Created: 2021-07-04 13:05:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24

MD5: 72f40d11c6fbf6df11260696d75d151d SHA-1: ead87f90f0585408f76dbc4124d1796d64a06ea6 SHA-256: e92a4628c6db96acbeb55e173f4e6fd72163067780486f269d43068374644a44

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 0.9980

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.tw/app/479516143/minecraft-pe-apk-free-download-game-hack PDF link annotation
- http://www.shivintech.com/uploaded_files/userfiles/files/code-pour-free-robux_GM431946152.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/minecraft-free-download-windows-10_GM479516143.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/coin-master-free_GM406889139.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/free-robux-download_GM431946152.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/robux-hack-2021_GM431946152.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/roblox-tampermonkey-hacks_GM431946152.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/roblox-hack-download-jailbreak-noclip_GM431946152.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/cheats-that-make-you-get-staff-on-roblox_GM431946152.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/roblox-free-robux-code-2021_GM431946152.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/hacks-para-flee-the-facility-roblox_GM431946152.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/free-roblox-and-tix_GM431946152.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/roblox-script-hack-robux_GM431946152.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/descargar-hacks-para-roblox-dragon-ball-rage_GM431946152.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/how-to-get-free-items-on-roblox_GM431946152.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/how-to-hack-minecraft_GM479516143.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/coin-master-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/roblox-online-free-no-download_GM431946152.pdfIn PDF document text
- http://www.shivintech.com/uploaded_files/userfiles/files/free-roblox-game-cards-no-survey_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_off00003275.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3275	22352 bytes
SHA-256: `a1a71b0c6111bccf9dcdfb2a39d8297c51288830362a25a211f5e6ad45ab5ff7`
`font_01_sfnt_off000063b9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63B9	19080 bytes
SHA-256: `7b5b97283c99b26de7673800ba150ecfa356c115ac03a12a62777470b154fcb8`

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