PDF malware analysis — malicious · cd151cdef45bb5b3

MALICIOUS

PDF

33.6 KB Created: 2021-06-19 15:01:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 2f51027e0a39a0c3bb084b7c0c579b04 SHA-1: c2d6317eee973133a98cb6d60e325ca089d52ac1 SHA-256: cd151cdef45bb5b3017a623521fa5bc0fa2e3fb1046ce51adbda743bcf8e3050

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external sites, many of which are SEO-optimized PDFs related to game cheats and free items. The primary URL http://netcdn.co/app/406889139/http-coin-master-hack-club-game-hack suggests a direct attempt to lead the user to a malicious resource. The ML classifier strongly indicated maliciousness, and the presence of a download button lure reinforces the malicious intent.

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 http://netcdn.co/app/406889139/http-coin-master-hack-club-game-hack
- https://mtsn4blitar.online/__statics/gudangsoal/files/free-items-on-roblox-names_GM431946152.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/free-pet-food-for-coin-master_GM406889139.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/easy-robux_GM431946152.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-free-spins-moonactive_GM406889139.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/minecraft-116-apk-download_GM479516143.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/free-fans-on-tiktok_GM835599320.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/free-robux-generator-without-human-verification_GM431946152.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-hack-ios-jailbreak_GM406889139.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/how-to-get-minecraft-bedrock-for-free-with-java_GM479516143.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/free-spin-coin-master-new-link_GM406889139.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-hack-no-verification-2021_GM406889139.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/roblox-redeem-card-codes-free_GM431946152.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-free-spins-2-5-2021_GM406889139.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/free-spins-and-coins-on-coin-master_GM406889139.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-free-spins-link-31-march-2021_GM406889139.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/roblox-download-pc-free_GM431946152.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/http-coin-master-hack-club_GM406889139.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/free-coin-master-spins-link_GM406889139.pdf
- https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-unlimited-spin-link_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00002e00.bin` `e9a75e3e24e0b1291de7ebab67d4d95c339bb45c605e36a6f33444cf1dcb6ef9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E00	22416 bytes
`font_01_sfnt_off00005fd6.bin` `2b692b97aab47b99e51e6e735d9ab4970cab65cf41d6985ffd493ef48a87bc91`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5FD6	18552 bytes

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