PDF malware analysis — malicious · 4458d1af49944c01

MALICIOUS

PDF

41.2 KB Created: 2021-05-15 07:27:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-11

MD5: 0ebcfbf08f486751416dd9e7019c6a9d SHA-1: a1cbb512538f19f569e60a6587c618c436b10419 SHA-256: 4458d1af49944c019624d11d3e9557d0e435d3224f72464abee4959b1435d91b

160 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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/406889139/hackear-coin-master-game-hack In PDF document text
- http://zagi.hr/files/oginject-co_GM406889139.pdfIn PDF document text
- http://zagi.hr/files/free-online-generator-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.zagi.hr/files/coin-master-date-and-time-hack_GM406889139.pdfIn PDF document text
- https://www.zagi.hr/files/coin-master-hack-version-download_GM406889139.pdfIn PDF document text
- https://www.zagi.hr/files/robux-hack-generator_GM431946152.pdfIn PDF document text
- https://www.zagi.hr/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
- https://www.zagi.hr/files/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://zagi.hr/files/earn-free-robux-today_GM431946152.pdfIn PDF document text
- https://www.zagi.hr/files/mcpe-master-free-coins_GM406889139.pdfIn PDF document text
- https://www.zagi.hr/files/mcpe-master-unlimited-coins-hack-apk_GM406889139.pdfIn PDF document text
- http://zagi.hr/files/how-to-get-more-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.zagi.hr/files/coin-master-raid-hack_GM406889139.pdfIn PDF document text
- https://www.zagi.hr/files/link-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.zagi.hr/files/free-games-like-coin-master_GM406889139.pdfIn PDF document text
- https://www.zagi.hr/files/coin-master-claim-free-spins_GM406889139.pdfIn PDF document text
- http://zagi.hr/files/free-roblox-gift-card_GM431946152.pdfIn PDF document text
- https://www.zagi.hr/files/hacks-para-roblox_GM431946152.pdfIn PDF document text
- http://zagi.hr/files/earn-robux_GM431946152.pdfIn PDF document text
- http://zagi.hr/files/free-spins-coin-master-links-blogger_GM406889139.pdfIn PDF document text
- https://www.zagi.hr/files/www-free-robux-com_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
`stream_003_off00004687.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4687	25116 bytes
SHA-256: `8dc179addde4457c8a276f94769524ff180d6752f2ab24d1023a018ce64a5fde`
`font_01_sfnt_off0000804a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x804A	17716 bytes
SHA-256: `b7a59136220e75e7377c9f6e3a7c38a497a32d42f46ea76588eb807573971af5`

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