PDF malware analysis — malicious · 298e927e9c52a816

MALICIOUS

PDF

34.6 KB Created: 2021-06-18 18:53:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-23

MD5: 8181e6d51698a4660eadc94bc00b0b2f SHA-1: 302feeee74a1afdbb9ec48f649f516d91511f817 SHA-256: 298e927e9c52a81651afb07d890c5a890e359cfcc108da71c3aa436f41b22659

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors, disguised as generators for game cheats and spins. The primary lure is the URL http://netcdn.co/app/431946152/free-gamepasses-roblox-cheat-engine-game-hack, which is associated with malicious redirector infrastructure. The document's content and embedded URLs strongly suggest a phishing or scam attempt designed to lead users to potentially harmful websites.

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/free-gamepasses-roblox-cheat-engine-game-hack In PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/robuxy-com-free-robux_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-villages_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/best-hack-gui-roblox_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/minecraft-java-edition-free_GM479516143.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-link-daily-get-free-spins-and-coins_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/free-robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-game-free-spin_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/free-robux-discord-servers_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/tiktok-free-overlays_GM835599320.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/free-roblox-generator-for-roblox_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/how-to-get-free-mods-in-minecraft_GM479516143.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/free-robux-ohne-handynummer_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-hack-2021-android-apk_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/free-robux-2021_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/robux-hack-tools_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/hacks-minecraft_GM479516143.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/free-spin-coin-master-game_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_off00003199.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3199	21548 bytes
SHA-256: `12fa654b6cb327d6417c8f2383258adac7bbba9dcba3399e25489cdabb0d4c18`
`font_01_sfnt_off000060da.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60DA	19476 bytes
SHA-256: `ce303138341e1f34d9f6d7585b67a319e7e826e7dbfbe76d5fa17579c07134a0`

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