PDF malware analysis — malicious · 3e377385254a2a5c

MALICIOUS

PDF

45.3 KB Created: 2021-05-14 04:59:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: bf141fba115a7e3ae5b95a9e8bfc44a5 SHA-1: fa343dc2426fb6cfac942677ce818eb5fb2b213a SHA-256: 3e377385254a2a5c6fc8e166e246e96e8f0bcac91c1b7e15587d89e53898adbd

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document contains a prominent link to 'netcdn.xyz' disguised as a guide for hacking game accounts, which is a common social engineering lure. The 'SE_CLICKFIX' heuristic indicates the document likely instructs the user to execute a command or open a link, further supporting a malicious intent to trick the user into downloading or executing a secondary payload. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9507

Heuristics 4

ClickFix social engineering attack high SE_CLICKFIX

Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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/479516143/how-to-hack-a-minecraft-account-game-hack
- https://dolphintour.vn/images/uploadsfiles/where-can-i-get-free-coins-for-coin-master_GM406889139.pdf
- https://dolphintour.vn/images/uploadsfiles/how-to-scam-on-roblox_GM431946152.pdf
- https://dolphintour.vn/images/uploadsfiles/coin-master-hack-2021-link_GM406889139.pdf
- https://dolphintour.vn/images/uploadsfiles/coin-master-free-spins-2-5-2021_GM406889139.pdf
- https://dolphintour.vn/images/uploadsfiles/free-coins-coin-master-no-human-verification_GM406889139.pdf
- https://dolphintour.vn/images/uploadsfiles/tiradas-coin-master_GM406889139.pdf
- https://dolphintour.vn/images/uploadsfiles/coin-master-unlimited-spin-apk-free-download_GM406889139.pdf
- https://dolphintour.vn/images/uploadsfiles/how-to-get-free-robux-without-human-verification_GM431946152.pdf
- https://dolphintour.vn/images/uploadsfiles/offers-for-robux_GM431946152.pdf
- https://dolphintour.vn/images/uploadsfiles/roblox-pink-free-robux_GM431946152.pdf
- https://dolphintour.vn/images/uploadsfiles/free-roblox-website_GM431946152.pdf
- https://dolphintour.vn/images/uploadsfiles/gamesofficenet-hack-coin-master_GM406889139.pdf
- https://dolphintour.vn/images/uploadsfiles/free-roblox-hack-us_GM431946152.pdf
- https://dolphintour.vn/images/uploadsfiles/oprewards-free-robux_GM431946152.pdf
- https://dolphintour.vn/images/uploadsfiles/descargar-hack-coin-master_GM406889139.pdf
- https://dolphintour.vn/images/uploadsfiles/how-to-get-free-spins-for-coin-master_GM406889139.pdf
- https://dolphintour.vn/images/uploadsfiles/moonactive-coin-master-free-spins-link_GM406889139.pdf
- https://dolphintour.vn/images/uploadsfiles/robloxmatchcom-free-robux_GM431946152.pdf
- https://dolphintour.vn/images/uploadsfiles/minecraft-hacks-115-2_GM479516143.pdf
- https://dolphintour.vn/images/uploadsfiles/coin-master-daily-spin-free_GM406889139.pdf
- https://code.giftcards.com
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004cfd.bin` `c948d2fd1028c37d2ffd09fb0fde1085244135abb04ae200187251dfa519529f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4CFD	24996 bytes
`font_01_sfnt_off0000851e.bin` `10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x851E	2880 bytes
`font_02_sfnt_off00008f08.bin` `9b8f26e31d459421e9e5b83d6a53d579ef5ea49b0db69369fb37c1c5c6cb5db0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F08	18184 bytes

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