PDF malware analysis — malicious · 5cad70cec9bef3e0

MALICIOUS

PDF

35.4 KB Created: 2021-06-18 16:59:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 2d5122658d9c2c64a2c35654171b484b SHA-1: 65aab55a1b66f5e7d91efe75150c9bdee9861b70 SHA-256: 5cad70cec9bef3e07cbf4e0bb93503ece1244bf283920e3f6097acf48e03380b

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains multiple links, including one pointing to a known malicious redirector infrastructure. The document body and heuristics suggest a lure for game hacks or generators, likely intended to lead users to download or execute further malicious content. No scripts were extracted, but the embedded URLs and redirector findings strongly indicate a phishing or malware distribution attempt.

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.co/app/431946152/roblox-one-piece-devil-fruit-hack-game-hack In PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/can-you-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/roblox-free-dominus-promo-code-2021_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/roblox-hack-get-unlimited-gems-and-gold_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/how-to-get-robux-free-pastebin_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/get-free-account-roblox-22-02-2021_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/fre-robux-for-real_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/free-robux-generator-2021-pc_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/apk-hack-roblox-pc_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/ccv3-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/gta-5-roblox-money-hack_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/free-robux-3-steps_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/how-to-get-a-free-100-robux_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/roblox-vehivle-simulator-speed-hack_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/get-free-tiktok-likes_GM835599320.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/roblox-hack-scripts-to-fly-copy-and-paste_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/roblox-ha-sido-hackeado-por-jhon-doe_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/minecraft-ps4-free_GM479516143.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/minecraft-java-edition-code-free_GM479516143.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/roblox-free-nonskid-exploits_GM431946152.pdfIn PDF document text
- https://www.choidy.ch/wp-content/uploads/fsqm-files/roblox-parkour-bag-hack_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_off00003225.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3225	22460 bytes
SHA-256: `3dcd6abf0bfca43ec82956afc03fd75daa9ebd5afa8fc36b8c98533112170f17`
`font_01_sfnt_off00006446.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6446	19436 bytes
SHA-256: `fd5891cbb3208deaf791da4a92d92a4ff55996c3d0c9bffd0c1aacd1c838cdce`

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