PDF malware analysis — malicious · 7ef3602441f148f8

MALICIOUS

PDF

33.1 KB Created: 2021-07-20 09:42:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25

MD5: 6df5ad6d37b1d9e2f81c28b0ba026e19 SHA-1: 755f5080d51ac4f031873b978b25ca7fe7a79eb3 SHA-256: 7ef3602441f148f8c03b2e6ef71d12b037f082ff3e3916ce478d8c6b5c4c8721

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains multiple links to known malicious redirectors, disguised as "free generator" or "game hack" lures. The primary redirector at http://netcdn.tw/app/479516143/how-to-setup-a-minecraft-server-for-free-game-hack is designed to lead users to further malicious content. The document body also contains a call-to-action phrase, reinforcing the lure. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9900

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.tw/app/479516143/how-to-setup-a-minecraft-server-for-free-game-hack In PDF document text
- https://cormixhydro.ru/images/how-to-get-minecraft-bedrock-for-free_GM479516143.pdfIn PDF document text
- https://cormixhydro.ru/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://cormixhydro.ru/images/free-robux-no-download_GM431946152.pdfIn PDF document text
- https://cormixhydro.ru/images/tiktok-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://cormixhydro.ru/images/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://cormixhydro.ru/images/roblox-script-hack_GM431946152.pdfIn PDF document text
- https://cormixhydro.ru/images/free-robux-pastebin_GM431946152.pdfIn PDF document text
- https://cormixhydro.ru/images/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
- https://cormixhydro.ru/images/free-minecraft-server-hosting-24-7_GM479516143.pdfIn PDF document text
- https://cormixhydro.ru/images/free-robux-quiz_GM431946152.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_off00002ca7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2CA7	22664 bytes
SHA-256: `4fe0e69dea6cb38b969a138319f568112589b3b580225755036d8db1184669e7`
`font_01_sfnt_off00005f4f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F4F	18304 bytes
SHA-256: `b0360e651ad81bf5acbb1fd73200378f36351cb2aebcef0077014d987ef32c64`

Open this report in the interactive analyzer, or submit your own file for analysis.