PDF malware analysis — malicious · e8a0826caf7d1071

MALICIOUS

PDF

35.3 KB Created: 2021-06-21 15:57:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 7e60aeac0fabab0c4537ae33782df178 SHA-1: ada5fbb23b4e284d21c375b0c08c6ea3185b96b3 SHA-256: e8a0826caf7d10710cee9283f24c9d98c6579939f0ecdb65aca9d84a9443cdef

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a lure of game hacks and free items to trick users into clicking malicious links. The primary link directs to a known malicious redirector infrastructure, which in turn serves further malicious PDF documents. The document body and heuristics indicate a clear intent to lead the user to potentially harmful content, likely for credential harvesting or malware distribution.

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/onlyrobux-site-roblox-hack-game-hack In PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/roblox-hacks-2021-may-20_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/how-to-get-free-food-on-coin-master_GM406889139.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/roblox-rape-hack_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/www-coin-master-hack-tk_GM406889139.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/coin-mast-hacks_GM406889139.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/coin-master-free-spins-daily_GM406889139.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/how-to-get-free-robux-no-pastebin_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/roblox-how-to-get-free-hair_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/free-roblox-pin-codes_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/coin-master-70-spin-link-2021_GM406889139.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/get-free-robux-info_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/guess-that-song-game-roblox-cheats_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/roblox-rewards-site_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/free-robux-no-anti-bot-verification_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/stinkywinkys-robux-hack_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/roblox-demon_GM431946152.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/coin-master-hack-apk-download-for-android-mobile_GM406889139.pdfIn PDF document text
- http://johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/free-roblox-audio-sounds-songs_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
`font_00_sfnt_off0000316e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x316E	22704 bytes
SHA-256: `61015bc6ad4c30f9f840d2392bbd146d42a0d03999de30409a3451e3f5114424`
`font_01_sfnt_off00006441.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6441	19200 bytes
SHA-256: `260672f9a58861c00d291ad1005b14fe02c198429f927faa693e0bb2523125fd`

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