PDF malware analysis — malicious · c48a3734a2e2d496

MALICIOUS

PDF

45.5 KB Created: 2021-05-15 05:48:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 2af8d13b42fd7ff98377bca330b8255e SHA-1: 92169e566e0e5514f269514dad704d7bf43deff7 SHA-256: c48a3734a2e2d496e662f96fccb8d15238ddeb4ecf2c80d8293f7b35ab384c90

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains a large number of external links, many of which are disguised as legitimate game-related resources. The ML classifier strongly indicates maliciousness, and the presence of a "download button" lure suggests a phishing or malware distribution attempt. The document body and extracted URLs point towards a scam designed to trick users into visiting malicious sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9507

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/free-spins-coin-master-2021-today-game-hack
- https://verstricktundzugenaeht.com/images/coin-master-free-daily-spins-and-coins_GM406889139.pdf
- https://verstricktundzugenaeht.com/images/coin-master-mod-apk-free-download_GM406889139.pdf
- https://verstricktundzugenaeht.com/images/best-way-to-get-free-robux_GM431946152.pdf
- https://verstricktundzugenaeht.com/images/coin-master-hacks-free-spins_GM406889139.pdf
- https://verstricktundzugenaeht.com/images/mcpe-master-hack-unlimited-coins_GM406889139.pdf
- https://verstricktundzugenaeht.com/images/minecraft-pe-texture-packs-free-download_GM479516143.pdf
- https://verstricktundzugenaeht.com/images/how-to-get-more-robux-for-free_GM431946152.pdf
- https://verstricktundzugenaeht.com/images/coin-master-free-snacks-link_GM406889139.pdf
- https://verstricktundzugenaeht.com/images/create-minecraft-server-free_GM479516143.pdf
- https://verstricktundzugenaeht.com/images/robux-free-gift-card_GM431946152.pdf
- https://verstricktundzugenaeht.com/images/how-to-get-free-robux-on-iphone_GM431946152.pdf
- https://verstricktundzugenaeht.com/images/roblox-free-robux_GM431946152.pdf
- https://verstricktundzugenaeht.com/images/www-coinmaster-com_GM406889139.pdf
- https://verstricktundzugenaeht.com/images/how-can-i-get-free-coinsn-coin-master_GM406889139.pdf
- https://verstricktundzugenaeht.com/images/roblox-gang_GM431946152.pdf
- https://verstricktundzugenaeht.com/images/minecraft-svg-free_GM479516143.pdf
- https://verstricktundzugenaeht.com/images/get-free-lives-on-coin-master_GM406889139.pdf
- https://verstricktundzugenaeht.com/images/roblox-hack-me_GM431946152.pdf
- https://verstricktundzugenaeht.com/images/coin-master-free-cards-link_GM406889139.pdf
- https://verstricktundzugenaeht.com/images/coin-master-free-attack_GM406889139.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_off00004b8b.bin` `fd9a88562f5e6e8546dc4851a726e890e302d0b5518f24708475d4cd6b4a22d8`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4B8B	24900 bytes
`font_01_sfnt_off00008458.bin` `3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8458	2840 bytes
`font_02_sfnt_off00008e0a.bin` `fb34871543d4e589edaa7b6b6daea61d4b413826d533968c66bf721badb2f47c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8E0A	18644 bytes

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