PDF malware analysis — malicious · 1ffe1c867460ff76

MALICIOUS

PDF

32.9 KB Created: 2021-07-20 04:17:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-31

MD5: f85219d67122f9bb5e94acbcbac63b1a SHA-1: d8ced8649d534f3e003cc522633e82193ae69df5 SHA-256: 1ffe1c867460ff76dd74ffd77447c4c8fc139baa1fb5290e9cfe852a2e1cfe05

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to malicious infrastructure, masquerading as game hacks or generators. The document body explicitly mentions 'Minecraft Bedrock Edition Download Pc Free' and 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', reinforcing the lure. The presence of multiple redirector links and a high ML classifier score indicate a malicious intent to lead the user to potentially harmful content or further malware.

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/minecraft-bedrock-edition-download-pc-free-game-hack In PDF document text
- https://kierowcyhgv.uk/images/minecraft-free-download-windows_GM479516143.pdfIn PDF document text
- https://kierowcyhgv.uk/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- https://kierowcyhgv.uk/images/free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://kierowcyhgv.uk/images/can-you-download-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://kierowcyhgv.uk/images/roblox-mobile-hack_GM431946152.pdfIn PDF document text
- https://kierowcyhgv.uk/images/free-likes-on-tiktok_GM835599320.pdfIn PDF document text
- https://kierowcyhgv.uk/images/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
- https://kierowcyhgv.uk/images/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
- https://kierowcyhgv.uk/images/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
- https://kierowcyhgv.uk/images/coin-master-free-spins-and-coins-2021_GM406889139.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_off00002c8b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2C8B	21956 bytes
SHA-256: `74039f13fe2d0daf0769a9bfb28f486b7a7c509ed1475a492d1ae9df7e0f6b3c`
`font_01_sfnt_off00005cf0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5CF0	18828 bytes
SHA-256: `57b97413d46eb8dd02e8163e11e04ebb18f1b46f22b88b993c8d7eb158a8ca98`

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