PDF malware analysis — malicious · ce5602f509a52991

MALICIOUS

PDF

46.0 KB Created: 2021-05-16 16:49:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 222ea5a1086aa4fcdc169e203b095e47 SHA-1: a4d0a2c3e61d54e76f8183d34a1d70ed86ea94bd SHA-256: ce5602f509a52991c16ea5823144b451e49be367d212a0dfb4f77184ca03f483

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, identified as a link farm, pointing to sites offering game-related cheats and hacks. The document body and extracted URLs suggest a lure for free game currency or items, likely a phishing or malware distribution scheme. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9432

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-no-verification-game-hack
- http://g3galileo.com/images/free-spins-on-coin-master-2021_GM406889139.pdf
- http://g3galileo.com/images/minecraft-114-4-download_GM479516143.pdf
- http://g3galileo.com/images/roblox-royale-high-diamond-hack_GM431946152.pdf
- http://g3galileo.com/images/coin-master-free-spins-link-today-instagram_GM406889139.pdf
- http://g3galileo.com/images/free-robux-apps-that-work_GM431946152.pdf
- http://g3galileo.com/images/free-robux-no-verify-2021_GM431946152.pdf
- http://g3galileo.com/images/coinmaster-blogspot_GM406889139.pdf
- http://g3galileo.com/images/roblox-hacking-website_GM431946152.pdf
- http://g3galileo.com/images/how-to-get-free-robux-on-mobile_GM431946152.pdf
- http://g3galileo.com/images/free-spin-link-in-coin-master_GM406889139.pdf
- http://g3galileo.com/images/codes-how-to-get-free-robux_GM431946152.pdf
- http://g3galileo.com/images/coin-master-free-spins-and-coins-2021_GM406889139.pdf
- http://g3galileo.com/images/minecraft-xbox-one-code-free_GM479516143.pdf
- http://g3galileo.com/images/get-free-spins-coin-master_GM406889139.pdf
- http://g3galileo.com/images/how-do-you-get-free-roblox_GM431946152.pdf
- http://g3galileo.com/images/coins-master-hack_GM406889139.pdf
- http://g3galileo.com/images/daily-free-spins-coin-master_GM406889139.pdf
- http://g3galileo.com/images/coin-master-free-spins-and-coins_GM406889139.pdf
- http://g3galileo.com/images/roblox-free-robux-hack_GM431946152.pdf
- http://g3galileo.com/images/coin-master-free-spin-trick_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_off0000487a.bin` `dc80d81159ae9311cbd83d52e82eb6a719fb99362f4963d5c01d6bd193d00d04`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x487A	27840 bytes
`font_01_sfnt_off0000880f.bin` `10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x880F	2880 bytes
`font_02_sfnt_off000091f9.bin` `77b170e61ca69d8811d571f4609d25c793482ce418daab97f8cf0cf89b73ec51`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x91F9	18020 bytes

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