PDF malware analysis — malicious · b166bb7d45e8c09b

MALICIOUS

PDF

33.4 KB Created: 2021-07-09 12:57:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 798e2c3423c9e149b4d5af5545a6b68e SHA-1: be51e70c16d081a72719af0bf72399463f70c5f4 SHA-256: b166bb7d45e8c09b2c6384e54603d86609b8b31de7f3e3c0aa44cd251e394ac8

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The ML classifier strongly indicates maliciousness, and the document body contains numerous URLs promoting game hacks and cheats. These URLs likely lead to the download of malware or unwanted applications, masquerading as legitimate game modifications. No scripts were extracted from this sample, but the embedded URLs are the primary indicators of malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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-download-free-download-game-hack In PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/roblox-solar-tycoon-hack_GM431946152.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/minecraft-iphone-free_GM479516143.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/roblox-i-got-hacked-again_GM431946152.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/free-roblox-printables_GM431946152.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/hack-coin-master-2021-pc_GM406889139.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/free-roblox-accounts-2021-with-robux_GM431946152.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/descargar-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/free-robux-promo-codes-august-2021_GM431946152.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/coin-master-tiradas-gratis-2021_GM406889139.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/minecraft-free-version_GM479516143.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/how-to-hack-apocalypse-rising-roblox_GM431946152.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/robuxy-com-generator_GM431946152.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/roblox-dll-hack-scripts_GM431946152.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/counter-blox-roblox-offensive-hacks-download_GM431946152.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/free-robux-come_GM431946152.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/how-to-got-free-item-robux_GM431946152.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/hack-crack-for-coin-master-currency_GM406889139.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/coin-master-hack-apk_GM406889139.pdfIn PDF document text
- http://www.ankitabrushes.com/uploaded_files/userfiles/files/coin-master-free-shield_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_off00003140.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3140	21088 bytes
SHA-256: `415820fee4f8288c93497d6d634e552a8199f8165bd8aeb8ebf9c24dc9554f12`
`font_01_sfnt_off00005ee0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5EE0	18576 bytes
SHA-256: `40aa17af32215803f1fba4a6734646ab30a634826190d5834ae8dd781bed6596`

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