PDF malware analysis — malicious · 48f97dbaa0ae20ab

MALICIOUS

PDF

33.3 KB Created: 2021-06-19 08:36:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 53c601411a807b243f1dd77cb76339d6 SHA-1: 716ee78aaceff87888c85463ac1697b41984a580 SHA-256: 48f97dbaa0ae20ab04dd5c2ec07ac5e644e21ca3bc23506767f1837424fc8448

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a link farm, all pointing to sites offering "free Robux" or game hacks, which is a common lure for malware distribution. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, and the 'ML_NYX_PDF_MALICIOUS' score is very high, suggesting malicious intent. The document body also contains a URL that likely leads to a second-stage download.

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-site.com-game-hack
- https://tokunfome.com.br/images/pubg-uc-wholesale_GM1330123889.pdf
- https://tokunfome.com.br/images/how-to-get-free-robux-easy-hack_GM431946152.pdf
- https://tokunfome.com.br/images/free-texture-packs-for-minecraft-pe_GM479516143.pdf
- https://tokunfome.com.br/images/how-do-you-get-free-robux_GM431946152.pdf
- https://tokunfome.com.br/images/how-to-hack-roblox-accounts-to-get-free-robux_GM431946152.pdf
- https://tokunfome.com.br/images/coin-master-free-spins-and-coins-link-haktuts_GM406889139.pdf
- https://tokunfome.com.br/images/games-that-give-you-free-robux_GM431946152.pdf
- https://tokunfome.com.br/images/roblox-lvl-7-script-executor-free-mac_GM431946152.pdf
- https://tokunfome.com.br/images/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdf
- https://tokunfome.com.br/images/how-to-hack-any-person-in-roblox_GM431946152.pdf
- https://tokunfome.com.br/images/free-robux-no-verification_GM431946152.pdf
- https://tokunfome.com.br/images/roblox-games-that-give-free-clothes_GM431946152.pdf
- https://tokunfome.com.br/images/pokemon-go-free-app_GM1094591345.pdf
- https://tokunfome.com.br/images/roblox-free-robux-proflie_GM431946152.pdf
- https://tokunfome.com.br/images/free-gold-cards-in-coin-master_GM406889139.pdf
- https://tokunfome.com.br/images/minecraft-gun-games-free_GM479516143.pdf
- https://tokunfome.com.br/images/how-to-get-free-robux-on-roblox_GM431946152.pdf
- https://tokunfome.com.br/images/huskybuckscom-free-robux_GM431946152.pdf
- https://tokunfome.com.br/images/how-to-get-free-coins-and-free-spins-coin-master_GM406889139.pdf
- https://tokunfome.com.br/images/how-do-u-get-free-robux_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00002c9c.bin` `8bc82c6015f3f8f4383a9b36b2eae2ed81223e33db4c8e23971897e0ca0ef1ea`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2C9C	21812 bytes
`font_01_sfnt_off00005c7d.bin` `8299aecf4c8f4d2861788bccaf5b1abf81e3b4b6df95c17a48b2718e7d958a83`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5C7D	19268 bytes

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