PDF malware analysis — malicious · 5dc69a540517ab4b

MALICIOUS

PDF

44.6 KB Created: 2021-05-17 22:02:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 37d77e4f57f522107538ee71c7515f8a SHA-1: e7709786befab39ae8a1d238a02a6bec2423b739 SHA-256: 5dc69a540517ab4b1bc677d0c9a7f8ee31c01eb56baddf67f58806e8b505edac

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous external links, many of which are structured as a link farm for SEO purposes, pointing to game-related cheat content. The ML classifier strongly indicated maliciousness, and the presence of a call-to-action button further supports a malicious intent to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9632

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/406889139/hack-mod-coin-master-game-hack
- https://www.ferraroni.net/public/risorse/ck/files/free-800-robux_GM431946152.pdf
- https://www.ferraroni.net/public/risorse/ck/files/master-coin-master-free-spin_GM406889139.pdf
- https://www.ferraroni.net/public/risorse/ck/files/free-spins-for-coin-master-game_GM406889139.pdf
- https://www.ferraroni.net/public/risorse/ck/files/code-free-robux_GM431946152.pdf
- https://www.ferraroni.net/public/risorse/ck/files/how-to-get-free-robux-2021_GM431946152.pdf
- https://www.ferraroni.net/public/risorse/ck/files/coin-master-free-spins-23-march-2021_GM406889139.pdf
- https://www.ferraroni.net/public/risorse/ck/files/how-to-get-free-robux-2021-easy_GM431946152.pdf
- https://www.ferraroni.net/public/risorse/ck/files/robux-generator-without-human-verification_GM431946152.pdf
- https://www.ferraroni.net/public/risorse/ck/files/how-to-hack-coin-master-ios-jailbreak_GM406889139.pdf
- https://www.ferraroni.net/public/risorse/ck/files/blogspot-free-spins-coin-master_GM406889139.pdf
- https://www.ferraroni.net/public/risorse/ck/files/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdf
- https://www.ferraroni.net/public/risorse/ck/files/free-daily-spins-coin-master_GM406889139.pdf
- https://www.ferraroni.net/public/risorse/ck/files/how-to-get-java-minecraft-free_GM479516143.pdf
- https://www.ferraroni.net/public/risorse/ck/files/minecraft-bedrock-hacks_GM479516143.pdf
- https://www.ferraroni.net/public/risorse/ck/files/cool-free-roblox-outfits_GM431946152.pdf
- https://www.ferraroni.net/public/risorse/ck/files/roblox-hack-me-robux_GM431946152.pdf
- https://www.ferraroni.net/public/risorse/ck/files/free-robux-mod_GM431946152.pdf
- https://www.ferraroni.net/public/risorse/ck/files/50-free-spins-coin-master_GM406889139.pdf
- https://www.ferraroni.net/public/risorse/ck/files/codes-to-get-free-robux_GM431946152.pdf
- https://www.ferraroni.net/public/risorse/ck/files/hacker-minecraft-song_GM479516143.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off0000496f.bin` `5d61c19e263ffc6ffe9cf09bd64d4f453ccc9d78fac68943a3161d2fa0f4999a`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x496F	25108 bytes
`font_01_sfnt_off0000824d.bin` `dc32a61c9c56a2d6254cf5e96f3d19af1ec49db8cb541dbe33886e0eb1c1ed15`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x824D	17888 bytes
`font_02_sfnt_off0000a339.bin` `e32c06502c11b52acb5e814091c5fdbffd1e2a904ac7a9cfb8b5b180bd139088`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA339	3264 bytes

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