PDF malware analysis — malicious · 167814340e86981e

MALICIOUS

PDF

44.2 KB Created: 2021-05-16 13:36:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 175199a43623ff07a65766c5d55dc431 SHA-1: c4ceadab6613625e393ce4dc3b189ac6ce728bef SHA-256: 167814340e86981ecada8f55b52d73ce3295ebaff34a6a4af5ad24f9daa5a57e

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links to websites offering game cheats and hacks, such as 'free Robux' and 'coin master hack'. The ML classifier and the PDF_SEO_LINK_FARM heuristic strongly indicate malicious intent, likely to direct users to phishing or malware distribution sites. Although no scripts were explicitly extracted, the presence of embedded URLs and the document's deceptive content suggest it's part of a phishing or scam campaign.

Machine Learning

Nyx PDF Classifier malicious score 0.9977

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 https://netcdn.xyz/app/431946152/free-robux-games-game-hack
- http://jandimotors.co.uk/images/coin-master-hack-lost-world-2021-com_GM406889139.pdf
- http://jandimotors.co.uk/images/coin-master-codes_GM406889139.pdf
- http://jandimotors.co.uk/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdf
- http://jandimotors.co.uk/images/what-games-give-you-robux_GM431946152.pdf
- http://jandimotors.co.uk/images/mobihack-net-roblox-hack_GM431946152.pdf
- http://jandimotors.co.uk/images/how-to-make-a-minecraft-pe-server-for-free_GM479516143.pdf
- http://jandimotors.co.uk/images/coin-master-hack-tool-pc_GM406889139.pdf
- http://jandimotors.co.uk/images/free-robux-hacks-no-verification_GM431946152.pdf
- http://jandimotors.co.uk/images/roblox-rape-hack_GM431946152.pdf
- http://jandimotors.co.uk/images/free-coins-for-coin-master_GM406889139.pdf
- http://jandimotors.co.uk/images/minecraft-dungeons-download-free_GM479516143.pdf
- http://jandimotors.co.uk/images/hack-client_GM479516143.pdf
- http://jandimotors.co.uk/images/coin-master-free-spins-link-2021-iphone_GM406889139.pdf
- http://jandimotors.co.uk/images/coin-master-hacks-for-gold-cards_GM406889139.pdf
- http://jandimotors.co.uk/images/free-coins-on-coin-master_GM406889139.pdf
- http://jandimotors.co.uk/images/hack-coin-master-dzooka_GM406889139.pdf
- http://jandimotors.co.uk/images/coinmaster-hack_GM406889139.pdf
- http://jandimotors.co.uk/images/coin-master-heaven-free-spins_GM406889139.pdf
- http://jandimotors.co.uk/images/today-free-spin-coin-master_GM406889139.pdf
- http://jandimotors.co.uk/images/free-robux-with-no-verification-2021_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004937.bin` `d8bc39bc75e69605e54331deeb6d0149e683e9dcf0448d589622e7aa7f741575`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4937	27864 bytes
`font_01_sfnt_off00008a08.bin` `50954281d46d1092d2c36c5fba9e04257001c8c7e5b0c8732206987489559ecb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A08	18500 bytes

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