PDF malware analysis — malicious · 993de4cb57a7670d

MALICIOUS

PDF

44.8 KB Created: 2021-05-13 05:04:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: a84983c67bb1839b0f34e53364d09954 SHA-1: 72ccd2b8d67af8659a58d2a7b91f1663e691ed85 SHA-256: 993de4cb57a7670d55ffdbf60e3d7ed87773af36b19cfc6ad48fb4806e17f94b

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous embedded links, identified as a link farm, that point to external websites offering game hacks and free in-game items. The document body and extracted URLs suggest a lure for users seeking cheats for games like Roblox and Coin Master. The heuristic firings indicate this PDF is designed to host a large number of external links, likely to distribute malicious content or facilitate phishing.

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 https://netcdn.xyz/app/431946152/how-to-hack-someone-on-roblox-game-hack
- https://bartonprivate.com.au/sites/default/files/files/links-for-coin-master-free-spins_GM406889139.pdf
- https://bartonprivate.com.au/sites/default/files/files/how-to-get-free-robux-without-human-verification_GM431946152.pdf
- https://bartonprivate.com.au/sites/default/files/files/coin-master-daily-free-spins-2021_GM406889139.pdf
- https://bartonprivate.com.au/sites/default/files/files/how-to-get-free-pet-food-on-coin-master_GM406889139.pdf
- https://bartonprivate.com.au/sites/default/files/files/coin-master-codes_GM406889139.pdf
- https://bartonprivate.com.au/sites/default/files/files/coin-master-ios-hack-download_GM406889139.pdf
- https://bartonprivate.com.au/sites/default/files/files/minecraft-free-version_GM479516143.pdf
- https://bartonprivate.com.au/sites/default/files/files/online-coin-master-hack-here_GM406889139.pdf
- https://bartonprivate.com.au/sites/default/files/files/spin-free-coin-master_GM406889139.pdf
- https://bartonprivate.com.au/sites/default/files/files/roblox-hack-download_GM431946152.pdf
- https://bartonprivate.com.au/sites/default/files/files/how-to-get-free-robux-without-paying_GM431946152.pdf
- https://bartonprivate.com.au/sites/default/files/files/cheat-codes-for-coin-master_GM406889139.pdf
- https://bartonprivate.com.au/sites/default/files/files/coin-master-free-spins-2021-link_GM406889139.pdf
- https://bartonprivate.com.au/sites/default/files/files/free-coins-and-spins-2021_GM406889139.pdf
- https://bartonprivate.com.au/sites/default/files/files/free-coin-spin_GM406889139.pdf
- https://bartonprivate.com.au/sites/default/files/files/free-coins-and-spins-for-coin-master-game_GM406889139.pdf
- https://bartonprivate.com.au/sites/default/files/files/free-robux-offers_GM431946152.pdf
- https://bartonprivate.com.au/sites/default/files/files/get-free-spins-on-coin-master-2021_GM406889139.pdf
- https://bartonprivate.com.au/sites/default/files/files/free-coin-master-hacks-no-verification-or-survey_GM406889139.pdf
- https://bartonprivate.com.au/sites/default/files/files/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.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_off0000498a.bin` `d0663900fc2e43a77bace73c0ea356edd43fec46b692570be7c2613844b957f9`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x498A	29268 bytes
`font_01_sfnt_off00008c0c.bin` `eebf4fd0ce8e014a693b7448b6f63c7fd528199174cddc1a90a23252bff1a633`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8C0C	18608 bytes

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