PDF malware analysis — malicious · 6725ea7297690f11

MALICIOUS

PDF

37.8 KB Created: 2021-07-03 20:32:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: bdf606d9c1c59fb0cab1bd2fe0727ecf SHA-1: b816f079d03b48690a41cfefdd784ea423b607af SHA-256: 6725ea7297690f110ec180f98a50deb628e5cbd11e9e201f3e656134c7b6522b

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a lure for free game currency or hacks, directing users to a known malicious redirector. The embedded URLs and document body content strongly suggest a phishing or scam attempt designed to lead users to potentially malicious sites. No scripts were extracted from this sample, but the PDF structure and linked URLs indicate a social engineering attack.

Machine Learning

Nyx PDF Classifier malicious score 0.9985

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.tw/app/431946152/free-robux-ad-game-hack In PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/how-to-get-free-skins-in-minecraft_GM479516143.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/coin-master-100-free-spins-link_GM406889139.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/how-to-hack-a-roblox-account-2021-easy_GM431946152.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/minecraft-free-school_GM479516143.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/minecraft-tiktok-hacks_GM479516143.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/free-roblox-clothes-boy_GM431946152.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/how-to-hack-robux-easy_GM431946152.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/game-give-free-robux_GM431946152.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/play-full-version-of-minecraft-for-free-no-download_GM479516143.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/free-spin-today-coin-master_GM406889139.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/free-coin-link-coin-master_GM406889139.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/rbx-place-free-robux_GM431946152.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/real-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/juno-hack-filedropper-roblox_GM431946152.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/free-spins-coin-master-hack_GM406889139.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/coin-master-card-hack_GM406889139.pdfIn PDF document text
- https://ponturipariuri.pro/ckfinder/userfiles/files/how-to-get-free-spins-in-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.roblox.com/.IIn 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_off00003d59.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3D59	22516 bytes
SHA-256: `11a9fb920e3946fcf61dd0c8d6361d4d181518b630dd21373c9045ca81fae9c6`
`font_01_sfnt_off00006f74.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F74	18888 bytes
SHA-256: `fed93a57f9ebc49998933260645548d38829a68d40f64c31f5643833283864c8`

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