PDF malware analysis — malicious · 90cb7218728dab62

MALICIOUS

PDF

34.2 KB Created: 2021-06-27 00:34:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 58ea1d2ce0124bb29f83e1961c3ecbb7 SHA-1: a32bf5bf1d2a8b50b3368c03d7456c59b45607b8 SHA-256: 90cb7218728dab62aedbf7a2f37cb221f5ae673e847f7c63b9400ef37a5f8d01

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains multiple links designed to lure users into clicking on what appears to be a game hack or cheat. The primary link, http://netcdn.co/app/431946152/new-cheat-in-roblox-2021-game-hack, is identified as a malicious redirector. The document body and embedded URLs suggest a phishing attempt related to in-game currency or cheats for popular games like Roblox and Coin Master. No scripts were extracted, but the embedded URLs and redirector heuristic strongly indicate a malicious intent to lead users to potentially harmful sites.

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/new-cheat-in-roblox-2021-game-hack In PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/como-hackear-roblox-robux-gratis-2021_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-robux-group-payouts_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-hack-ios-jailbreak_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-unlimited-coins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-games-that-has-roblox-in-it_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/does-e-free-work-on-roblox_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-minecraft-com_GM479516143.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/pastebin-roblox-robux-hack_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-fun-hack-online_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-robux-microsoft_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-spins-on-coin-masters_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-hack-spins-and-coins-unlimited-free-download_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-hack-me_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-robux-generator_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/aristois-minecraft-hack_GM479516143.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-rape-hack_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-robux-website_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_off00002eda.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2EDA	21992 bytes
SHA-256: `009cef89f5e0c2c5a483b57502a872d1dabcc3957471d9bf2596fd4632dcd30f`
`font_01_sfnt_off00005f78.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F78	19320 bytes
SHA-256: `3559ea42e9149990c74b2adeb0e81ca463f235862b4ba0b0eb5baf0bf8516863`

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