PDF malware analysis — malicious · f7c75c7ba6af241d

MALICIOUS

PDF

36.6 KB Created: 2021-06-18 05:36:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: ca3403b9ba1f1967cedd8bb48b4a3211 SHA-1: 1f944a7b694116a364979dcaad921872c3c30100 SHA-256: f7c75c7ba6af241d9be3c95ddb5c61f23958c5fff05e73a3d080a7e78891c4e7

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 0.9981

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.co/app/431946152/ships-free-roblox-game-hack PDF link annotation
- https://zabota-kashira.ru/images/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/coin-master-hack-apk-download-2021_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/roblox-final-stand-2-cheats_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/free-robux-gift-card_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/rbx-gg-free-robux_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/coin-master-free-spins-link-app-download_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/roblox-free-clothes-generator_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/coin-master-free-fire_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/how-to-get-free-minecraft-skins_GM479516143.pdfIn PDF document text
- https://zabota-kashira.ru/images/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/minecraft-for-chromebook-free_GM479516143.pdfIn PDF document text
- https://zabota-kashira.ru/images/coin-master-hack-pc-free_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/roblox-free-robux_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/free-tiktok-followers-generator_GM835599320.pdfIn PDF document text
- https://zabota-kashira.ru/images/apocalypse-rising-roblox-hack-2021_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/can-u-get-free-robux_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/haktuts-coin-master-free-spin-link-today_GM406889139.pdfIn PDF document text
- https://zabota-kashira.ru/images/rbxcity-free-robux_GM431946152.pdfIn PDF document text
- https://zabota-kashira.ru/images/how-to-get-free-tiktok-followers_GM835599320.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_off00003aab.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3AAB	21868 bytes
SHA-256: `f6d3e27decec7477c080dc9100ffc0635724b9e4e42c3808d054433d5cc5d9ae`
`font_01_sfnt_off00006ae2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6AE2	18928 bytes
SHA-256: `134aee9f88c7c4210e9cd43229a15ec9571a82a395527022dd063ddeb49d627a`

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