PDF malware analysis — malicious · 02df02376192495a

MALICIOUS

PDF

35.1 KB Created: 2021-06-27 18:24:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: f49c17bc94baa9eae0df08199967fbff SHA-1: 7ce3ad0edd27b67e775d000aab956086ed3db063 SHA-256: 02df02376192495a7a38cf58f4b9dc467c0ca066db1ff9010a528b9bc7aa633e

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains multiple links to a known malicious redirector, masquerading as a generator for free game currency. The document body and heuristic firings indicate a lure for game-related cheats or currency, directing users to potentially malicious websites. Although no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a phishing or scam attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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.co/app/431946152/rixty-codes-for-free-robux-game-hack In PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/sites-hack-jeux-roblox_GM431946152.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/free-robux-no-scam_GM431946152.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/hack-de-roblox-robux-2021_GM431946152.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/free-coin-master-spin-daily-link_GM406889139.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/robux-gives-roblox-hack_GM431946152.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/haktutsin-2021-09-coinmaster50freespinandcoinlinkhtml-m-1_GM406889139.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/how-to-get-free-robux-easy-no-human-verification_GM431946152.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/win-free-robux_GM431946152.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/free-robux-for-kids_GM431946152.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/coin-master-free-cards_GM406889139.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/how-to-get-a-free-minecraft-server_GM479516143.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/roblox-jailbreak-cheat-engine-hacks_GM431946152.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/free-mod-apk-coin-master_GM406889139.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/roblox-adopt-me-free-pets_GM431946152.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/download-coin-master-hack-mod-apk_GM406889139.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/free-daily-spin-coin-master-game_GM406889139.pdfIn PDF document text
- https://vireco-online.com/ckfinder/userfiles/files/i-got-hacked-on-roblox_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_002_off00003094.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3094	22784 bytes
SHA-256: `5ae3e720fb892d05b758cdc8e125439fc44be73c010a8dab0ee15fe339194469`
`font_01_sfnt_off00006383.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6383	19296 bytes
SHA-256: `30bb657e4b1c30f0e266059647c410c9f2a225e011e3fe2a37b08c7aab6a167e`

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