PDF malware analysis — malicious · a0cc693b4095773b

MALICIOUS

PDF

35.1 KB Created: 2021-06-28 16:36:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 8e1ea2e6e76ae2010172264fb85d0634 SHA-1: 85b728f85fa5b29617a7b7d114d4f17e70ea929b SHA-256: a0cc693b4095773b2d9332e36df76191644eefcf20e860fd311b322dbaff3b2c

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.co/app/431946152/free-not-for-sale-roblox-templates-game-hack PDF link annotation
- https://www.citrus-shop.cz/images/bexgg-free-robux_GM431946152.pdfIn PDF document text
- https://www.citrus-shop.cz/images/free-tiktok-views_GM835599320.pdfIn PDF document text
- https://www.citrus-shop.cz/images/roblox-ro-hero-academia-hack_GM431946152.pdfIn PDF document text
- https://www.citrus-shop.cz/images/hack-coin-master-apk-2021_GM406889139.pdfIn PDF document text
- https://www.citrus-shop.cz/images/base-wars-roblox-cheats_GM431946152.pdfIn PDF document text
- https://www.citrus-shop.cz/images/free-minecraft-hosting_GM479516143.pdfIn PDF document text
- https://www.citrus-shop.cz/images/free-coin-master-spins_GM406889139.pdfIn PDF document text
- https://www.citrus-shop.cz/images/minecraft-build-hacks_GM479516143.pdfIn PDF document text
- https://www.citrus-shop.cz/images/minecraft-pe-hack-client-2021_GM479516143.pdfIn PDF document text
- https://www.citrus-shop.cz/images/how-to-hack-any-user-in-roblox_GM431946152.pdfIn PDF document text
- https://www.citrus-shop.cz/images/how-to-make-a-roblox-script-hack_GM431946152.pdfIn PDF document text
- https://www.citrus-shop.cz/images/how-to-hack-point-for-robux-site-for-unlimited-points_GM431946152.pdfIn PDF document text
- https://www.citrus-shop.cz/images/coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.citrus-shop.cz/images/roblox-free-cards-codes-2021_GM431946152.pdfIn PDF document text
- https://www.citrus-shop.cz/images/free-2021-robux_GM431946152.pdfIn PDF document text
- https://www.citrus-shop.cz/images/free-2021-roblox-accounts_GM431946152.pdfIn PDF document text
- https://www.citrus-shop.cz/images/free-back-accessories-roblox_GM431946152.pdfIn PDF document text
- https://www.citrus-shop.cz/images/how-to-get-free-roblox_GM431946152.pdfIn PDF document text
- https://www.citrus-shop.cz/images/how-to-get-free-robux-instantly_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_off00003102.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3102	22664 bytes
SHA-256: `f67d5e2a6e3981706bc8a13de2e7f9d42dbd3804fb81a98e0aef0b2dc767160d`
`font_01_sfnt_off00006397.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6397	19188 bytes
SHA-256: `675fcf6f36461c1523327311ed2054a5c0b4853523ccf6708d30d36a0edbe9a9`

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