PDF malware analysis — malicious · 6b4485f8b3bfb656

MALICIOUS

PDF

49.3 KB Created: 2021-05-31 08:03:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 0145f3d54f49564aae0e05ae1bc1973a SHA-1: 132a237fdccd6eb894f2aff1b0653e05ef92dbd3 SHA-256: 6b4485f8b3bfb6563bce1e5f7818f4d8944ea437e21f75e11fcaa0eb5a04ece0

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains a lure for a "game hack" that redirects to malicious infrastructure. The document body and embedded URLs strongly suggest a phishing attempt to trick users into visiting potentially harmful sites. While no scripts were explicitly extracted, the PDF format itself can embed JavaScript, which is often used for malicious redirection or exploitation.

Machine Learning

Nyx PDF Classifier malicious score 0.9231

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 https://netcdn.xyz/app/431946152/how-to-hack-into-anyones-roblox-account-2021-game-hack In PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/tiktok-views-free_GM835599320.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/minecraft-dungeons-free_GM479516143.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/tiktok-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/lazyblox-com-free-robux_GM431946152.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-minecraft-skin-packs_GM479516143.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/robux-hacks-2021_GM431946152.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-tiktok-views_GM835599320.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/minecraft-dungeons-free-download_GM479516143.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/minecraft-mobile-free_GM479516143.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/coin-master-free-spins-promo-code_GM406889139.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/minecraft-free-ios_GM479516143.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/download-minecraft-free-hiapphere_GM479516143.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-tiktok-followers-generator_GM835599320.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/roblox-hacks-2021_GM431946152.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/roblox-stats-hack_GM431946152.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-online-minecraft-server_GM479516143.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-tiktok-video_GM835599320.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-minecraft-skins_GM479516143.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/roblox-hack-me_GM431946152.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/free-robux-without-verification_GM431946152.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/minecraft-ps4-free_GM479516143.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
- https://brsolutions.pl/wp-content/uploads/fsqm-files/roblox-hack-download_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000059ca.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x59CA	24024 bytes
SHA-256: `83b5f904f3b6dc8c644014a3a3a9d7b9b676c816fa977d79726f7e539b4adb3f`
`font_01_sfnt_off00009079.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9079	2820 bytes
SHA-256: `972979c3a46100cf5f8fd289bc6fbd2496ff75fec0e3f6753648c72ec6eba714`
`font_02_sfnt_off00009a18.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9A18	19172 bytes
SHA-256: `9cca640199bd0b5c30b8feecd20cbdb42f17137dbb623e6cdd584ee2f4bccac1`

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