PDF malware analysis — malicious · 352c52cbdf3eaa26

MALICIOUS

PDF

54.8 KB Created: 2021-05-16 18:42:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 2f0e28f0dca58dc6d419c25b6a6bb465 SHA-1: d9131ea7f4775ee743fe42bb939888203bd23cd7 SHA-256: 352c52cbdf3eaa265954c19fbbd6d428b559704c4280d423bebe7f01c57c8928

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains a large number of external links, many of which point to pages offering game hacks and cheats. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, and the ML classifier also flagged it as malicious. The document body, though heavily obfuscated, contains URLs that align with the lure of free game items, suggesting a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.8531

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-shields-coin-master-game-hack
- https://www.banhngoncaocap.com/images/free-daily-coin-master-coins_GM406889139.pdf
- https://www.banhngoncaocap.com/images/free-spins-coin-master-no-human-verification_GM406889139.pdf
- https://www.banhngoncaocap.com/images/real-free-robux-codes_GM431946152.pdf
- https://www.banhngoncaocap.com/images/free-robux-generator-no-human-verification-2021_GM431946152.pdf
- https://www.banhngoncaocap.com/images/free-roblox-promo-codes-for-robux_GM431946152.pdf
- https://www.banhngoncaocap.com/images/free-robux-hack-no-verification_GM431946152.pdf
- https://www.banhngoncaocap.com/images/best-free-hacked-client_GM479516143.pdf
- https://www.banhngoncaocap.com/images/coin-master-hack-apk-july-2021_GM406889139.pdf
- https://www.banhngoncaocap.com/images/coin-master-free-attack-hack_GM406889139.pdf
- https://www.banhngoncaocap.com/images/hack-version-of-coin-master-apk-download_GM406889139.pdf
- https://www.banhngoncaocap.com/images/how-to-get-minecraft-for-free-on-phone_GM479516143.pdf
- https://www.banhngoncaocap.com/images/can-you-get-free-robux-on-roblox_GM431946152.pdf
- https://www.banhngoncaocap.com/images/how-to-hack-roblox-accounts-2021_GM431946152.pdf
- https://www.banhngoncaocap.com/images/get-me-robux-for-free_GM431946152.pdf
- https://www.banhngoncaocap.com/images/hack-robux_GM431946152.pdf
- https://www.banhngoncaocap.com/images/coin-master-free-spins-and-coins-for-iphone_GM406889139.pdf
- https://www.banhngoncaocap.com/images/coin-master-hacks-for-android_GM406889139.pdf
- https://www.banhngoncaocap.com/images/free-redeem-code-for-coin-master_GM406889139.pdf
- https://www.banhngoncaocap.com/images/roblox-hack_GM431946152.pdf
- https://www.banhngoncaocap.com/images/coin-master-free-fire_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 5

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off000049f5.bin` `03faf1f1993a318b7baac7032f67e02b8147ef348dfeb7a114632905609cd96d`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x49F5	26276 bytes
`font_01_sfnt_off000087d1.bin` `e7854aff7cbc8fbdeb85d2b3d6248d12dc820ede8a581f4eac107fa6446c2222`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x87D1	3088 bytes
`font_02_sfnt_off0000929c.bin` `cf7ae5cf6bef3222f5a26bec705b492fed0278aec6b16ec101aeda46e0edd2b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x929C	7960 bytes
`font_03_sfnt_off0000a5c1.bin` `e085952d3720952a51e878c41e5b5c7a5f24b6488949d11870729d067ad6b009`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA5C1	18124 bytes
`font_04_sfnt_off0000c717.bin` `fac9a06ceb5574feb8580c075df3ef69dfbd0efa4947186cfe90f11b68eaafb0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC717	4272 bytes

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