PDF malware analysis — malicious · 47dc0bfd4002cf44

MALICIOUS

PDF

45.3 KB Created: 2021-06-07 09:12:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: fcfce8778ebadafc7736562ae174c33d SHA-1: 37df437d1f5cdf0e65d95d0cfe41033f2e09d08e SHA-256: 47dc0bfd4002cf44e23b537ace49c392d595d8ed9735c6a1cdba352d07415849

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains multiple links to malicious redirectors, masquerading as game hacks and free currency generators. The primary lure is related to 'Roblox' and 'Robux', aiming to entice users to click through to potentially harmful sites. The document body and embedded URLs strongly suggest a phishing or scam attempt designed to lead users to malicious infrastructure.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

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.tw/app/431946152/how-to-hack-roblox-and-get-robux-game-hack In PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/btools-hack-roblox-download-free_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/discord-roblox-hack-sellers_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-robux-redeem-codes_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-get-free-robux-2021-hack_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-get-minecraft-bedrock-edition-for-free_GM479516143.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/robux-hack-synapse_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/mount-everest-roblox-free-rescue-gamepass_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-cute-outfits-free_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-boombox-games-roblox_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/a-code-for-free-robux-script_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-robux-app-without-human-verification_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-hack-work-at-a-pizza-place-roblox-2021_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-hack-how-to-get-everything-free-on-catalog_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-get-verified-on-tiktok-for-free-2021_GM835599320.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-tiktok-likes-and-followers_GM835599320.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/what-to-do-if-your-account-is-hacked-on-roblox_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/tiktok-for-free_GM835599320.pdfIn PDF document text
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/coin-master-free-blogspot_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
`stream_004_off00005273.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5273	25324 bytes
SHA-256: `7e44ff48a546218e5805d461b4eafd73a11f82561139a49ff7c6379ac5e8a7be`
`font_01_sfnt_off00008cb9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CB9	18764 bytes
SHA-256: `8eaa6db5ec5e2987c6cc4228be282aded01e77bf28a6d0e915399e96db20eb59`

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