PDF malware analysis — malicious · a816e6b47572ecba

MALICIOUS

PDF

48.3 KB Created: 2021-06-03 06:19:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 5de55db4df426406498a7b0b98e54575 SHA-1: d21de53efd55d9d996aee10d404be2b177a3d758 SHA-256: a816e6b47572ecbae3706c8d413dd0a1f6bb88a491dae2a0185e5f35df1aa06c

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded URLs, many of which point to files related to game hacks and free in-game currency, suggesting a lure for users seeking such content. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, and the ML classifier flagged the PDF as malicious. The document body, though corrupted, contains references to game titles and a URL, reinforcing the lure. The presence of a 'download button' heuristic further supports the malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9796

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.online/app/479516143/minecraft-the-complete-handbook-collection-game-hack
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-spins-generated-from-coin-master_GM406889139.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/how-do-u-get-free-robux_GM431946152.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-free-spin-ml_GM406889139.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/master-coin-master-free-spin_GM406889139.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-free-spins-blogspot_GM406889139.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/boost9-com-roblox-hack_GM431946152.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-roblox-girl-hair-not-a-model_GM431946152.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/how-to-hack-roblox-on-mobile_GM431946152.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/how-to-get-free-robux-by-playing-games_GM431946152.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-free-link-2021_GM406889139.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/master-coin-free-spin_GM406889139.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-robux-codes_GM431946152.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-free-spins-and-coins-blogspot_GM406889139.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-game-packs-for-coin-master_GM406889139.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/how-can-i-get-free-robux_GM431946152.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/cm-free-spin-link-today_GM406889139.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/robux-gift-card-free_GM431946152.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/www-claim-gg-to-earn-free-robux_GM431946152.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-free-spin-and-coins-links-home_GM406889139.pdf
- http://royalindianjourney.co.in/uploaded_files/userfiles/files/bloxpink-free-robux_GM431946152.pdf
- https://youtu
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off000054ea.bin` `12ee3ac71f7d7bb94e2b993fb54f5b6e2ea48f477b9f79cf94946e291bff3a13`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x54EA	25216 bytes
`font_01_sfnt_off00008dff.bin` `dd24a0ab94df4552e459bd06fd01b0fd3f021c1d51d1d64407070e735974a028`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8DFF	3056 bytes
`font_02_sfnt_off00009872.bin` `ab763e7c5806196b2b210960a99dd399adff9831909cc7056894cb5f5767a407`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9872	18888 bytes

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