PDF malware analysis — malicious · 4f3fa71d0244dfc0

MALICIOUS

PDF

50.5 KB Created: 2021-05-30 19:15:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 3fba3c9166ddbafe8a7818dcfc58c640 SHA-1: bd474fff232dc4be5acc187383a9b94c973d553e SHA-256: 4f3fa71d0244dfc01612d9b34bca4c478f49ac0297647f4907f5c220e9478feb

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, specifically promoting 'game hacks' and 'free robux' lures. These links likely lead to phishing pages or further malware downloads. The document body and heuristics strongly indicate a social engineering attack aimed at tricking users into visiting malicious sites.

Machine Learning

Nyx PDF Classifier malicious score 0.8293

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-roblox-to-get-robux-game-hack In PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-to-download-minecraft-for-free-on-mac_GM479516143.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/coin-master-hacks_GM406889139.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/minecraft-java-edition-code-free_GM479516143.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/minecraft-download-free-download_GM479516143.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/roblox36com-free-robux_GM431946152.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-minecraft-accounts-2021_GM479516143.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/minecraft-java-edition-free_GM479516143.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-minecraft-texture-packs_GM479516143.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/tiktok-like-bot-free_GM835599320.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-to-get-minecraft-windows-10-edition-for-free_GM479516143.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/minecraft-story-mode-free_GM479516143.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/minecraft-hacks-115-2_GM479516143.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/robux-hacks-2021_GM431946152.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/minecraft-for-ipad-free_GM479516143.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/minecraft-hacks_GM479516143.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/minecraft-bedrock-edition-download-pc-free_GM479516143.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/minecraft-account-hacked_GM479516143.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/robux-hack-generator_GM431946152.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-tiktok-followers-no-human-verification_GM835599320.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-robux-codes-no-verification_GM431946152.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-tiktok-likes_GM835599320.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-to-play-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/freer-tiktok_GM835599320.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-to-get-free-followers-on-tiktok_GM835599320.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/get-free-tiktok-likes_GM835599320.pdfIn PDF document text
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-robux-generator-no-human-verification-2021_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_off0000526a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x526A	29780 bytes
SHA-256: `919a67915577e9c457540d86a32852945b911d7add38887bfadb295aa8e327f6`
`font_01_sfnt_off000094ce.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x94CE	3884 bytes
SHA-256: `40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf`
`font_02_sfnt_off0000a175.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA175	18588 bytes
SHA-256: `6723e17a0e3ea7e17da9fa5ee91cb22fe0fa4706a6f3d09ae44dda015c08872b`

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