PDF malware analysis — malicious · 89df76a1864db6f2

MALICIOUS

PDF

7.8 KB Created: 2021-07-08 23:11:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-24

MD5: ea52b55a1885a955c22072b582ea32ea SHA-1: 03ab10cfd94159df54c8e6c443b843269dbc71db SHA-256: 89df76a1864db6f26a98526f850b121d6d95b529002e848e85e197c5e1de94a0

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, specifically promoting game hacks and generators. The primary lure is a link to 'coin-master-spin-free-game-hack' which is hosted on a known malicious redirector. While no scripts were extracted, the embedded URLs and heuristic firings strongly indicate a phishing or scam attempt designed to lead users to potentially harmful sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9590

Heuristics 3

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.
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/406889139/coin-master-spin-free-game-hack In PDF document text
- https://key8013805.com.tw/upload/files/get-free-robux-by-pay-out-after-offre_GM431946152.pdfIn PDF document text
- https://key8013805.com.tw/upload/files/codes-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://key8013805.com.tw/upload/files/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
- https://key8013805.com.tw/upload/files/coin-master-card-hack-app_GM406889139.pdfIn PDF document text
- https://key8013805.com.tw/upload/files/robux-pastebin-hacks_GM431946152.pdfIn PDF document text
- https://key8013805.com.tw/upload/files/free-roblox-exploits_GM431946152.pdfIn PDF document text
- https://key8013805.com.tw/upload/files/free-acounts-in-roblox_GM431946152.pdfIn PDF document text
- https://key8013805.com.tw/upload/files/minecraft-116-free-download_GM479516143.pdfIn PDF document text
- https://key8013805.com.tw/upload/files/how-to-get-minecraft-pe-for-free-ios_GM479516143.pdfIn PDF document text
- https://key8013805.com.tw/upload/files/free-robux-apps-that-dont-use-adgates_GM431946152.pdfIn PDF document text
- https://key8013805.com.tw/upload/files/roblox-building-games-free_GM431946152.pdfIn PDF document text
- https://key8013805.com.tw/upload/files/earn-free-robux-today_GM431946152.pdfIn PDF document text
- https://key8013805.com.tw/upload/files/hacks-tools-para-roblox_GM431946152.pdfIn PDF document text
- https://key8013805.com.tw/upload/files/how-to-get-minecraft-windows-10-for-free-2021_GM479516143.pdfIn PDF document text
- https://key8013805.com.tw/upload/files/gold-card-coin-master-free_GM406889139.pdfIn PDF document text
- https://key8013805.com.tw/upload/files/coin-master-free-spins-link-today-instagram_GM406889139.pdfIn PDF document text

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