PDF malware analysis — malicious · 17fd651e8f17e8b8

MALICIOUS

PDF

33.2 KB Created: 2021-06-25 17:25:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-23

MD5: 181e6bd1df7703ca5d2264539b23fc1b SHA-1: d874c3b2005af3d31cae50f0f8507b4e67b51236 SHA-256: 17fd651e8f17e8b88b8012269358ecad4baf35f877e850857bc893a100f9d6b1

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document employs a lure related to game hacks and generators, directing users to a known malicious redirector. The embedded URL http://netcdn.co/app/431946152/autospin-hack-roblox-game-hack is identified as a malicious redirector link. The document's content and heuristics suggest it is designed to trick users into visiting malicious sites, likely for further exploitation or malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9824

Heuristics 4

PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE

PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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
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/431946152/autospin-hack-roblox-game-hack In PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/how-to-download-minecraft-for-free-on-windows-10_GM479516143.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/robux-hack-me_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/robux-free-c_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/hacks-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/how-to-join-someones-game-in-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/free-roblox-fe-scripts-pastebin-july-2021_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/free-spin-links-coin-master-october-30-2021_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/how-to-wall-hack-in-roblox-murder-mystery-2_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/dead-winter-roblox-credits-hack_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/minecraft-alt-accounts-free_GM479516143.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/coin-master-hack-activegamer_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/free-minecraft-account-and-password-2021_GM479516143.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/how-to-fly-in-roblox-without-hacks_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/free-robux-edit-html_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/how-to-hack-roblox-using-command-prompt_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/minecraft-pe-hacks-ios_GM479516143.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/coin-master-connection-lost-hack_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/coin-master-coin-link_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/wurst-18-9_GM479516143.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00002c26.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2C26	21928 bytes
SHA-256: `7c52ca4cec65b828bae0d76215351ee8f534b9ed3a01e6cb69a2df5b80ca2c88`
`font_01_sfnt_off00005c8e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5C8E	19196 bytes
SHA-256: `96ea9a79e1636ad725ef9f45862676352312c93b7421008e5871a33654d05503`

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