PDF malware analysis — malicious · 84479a9ee5a5faf1

MALICIOUS

PDF

44.0 KB Created: 2021-06-03 05:37:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 174ef6bcfac6d11ce1c0dd889780f30f SHA-1: 099c2724b35c5ec1b06a83ecd33094e997c5a5e7 SHA-256: 84479a9ee5a5faf157306745b0abe577d9705a839079df020b2e038ee61939c2

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a common lure of 'free game hacks' to entice users to click on embedded links. The primary link directs to a known malicious redirector infrastructure, which likely serves as a gateway to further malicious content or downloads. The document's structure and embedded URLs suggest an attempt to trick users into downloading or accessing potentially harmful files, aligning with a phishing or social engineering attack pattern.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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.online/app/406889139/free-coin-master-gifts-game-hack In PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/smart-lodhi-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/minecraft-pvp-hacks_GM479516143.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/free-download-coin-master_GM406889139.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/how-do-i-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/blogspot-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/server-for-pubg-uc_GM1330123889.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/free-rare-cards-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/coin-master-rewards_GM406889139.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/oprewards-com-login_GM431946152.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/hack-version-coin-master-apk_GM406889139.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/minecraft-hax-download-no-virus_GM479516143.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/coin-master-cheats-free-spins_GM406889139.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/free-spins-coin-master-cheats_GM406889139.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
- http://www.highlandernepal.com/assets/ckfinder/userfiles/files/where-to-get-free-robux_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_004_off000051fb.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x51FB	24840 bytes
SHA-256: `c37fe896604282a433366787c9696104516314c83609a8f7dcfb7f572db70991`
`font_01_sfnt_off00008afd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8AFD	17712 bytes
SHA-256: `a02a8482596092bbe2b4efe270951b6f574c255f03fc3b97eeb87af209467e86`

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