PDF malware analysis — malicious · d0e10a157e6889df

MALICIOUS

PDF

33.7 KB Created: 2021-06-28 07:51:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16

MD5: c2b46f562493a9c7a3ae5563faea539d SHA-1: 5b27371c919200d6d68e2a9e928522d43047bef9 SHA-256: d0e10a157e6889df7e49510c582fb4eff210b210ce415ed4de982564c6c35c34

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a link farm with numerous URLs pointing to game hacks and free Robux, indicating a lure for users to download potentially malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs and a call-to-action phrase further supports this assessment. The document's structure and content suggest it is designed to trick users into visiting malicious sites or downloading malware.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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-robux-page-game-hack PDF link annotation
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/hacks-for-roblox-adopt-me_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/free-tiktok-likes-app_GM835599320.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/game-hack-coin-master_GM406889139.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/coin-master-free-spin-today-2021_GM406889139.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/how-to-get-free-roblox-hair_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/how-to-change-your-roblox-username-for-free-2021_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/free-tiktok-followers-real_GM835599320.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/smart-lodhi-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/coin-master-free-spin-group_GM406889139.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/how-to-make-free-robux_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/play-roblox-for-free-on-google_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/how-to-win-free-robux_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/how-to-create-a-shirt-in-roblox-for-free_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/how-to-get-minecraft-for-free-on-android-device_GM479516143.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/cm-free-spins_GM406889139.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/skyline-hacks-for-roblox_GM431946152.pdfIn PDF document text
- http://www.lorengindonesia.com/new/public/ckfinder/userfiles/files/robux-cheats-no-human-verification_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_off00002f2e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F2E	22132 bytes
SHA-256: `fb21aab27bce7fba43bb9a5aba53bb1fb65ab14010633ef634d441bc5d32c7f7`
`font_01_sfnt_off00005f02.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F02	18868 bytes
SHA-256: `b10b72572574bc46e19b2cbc8d7c516187f05faff383eaadfc3714c3980f0c5e`

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