PDF malware analysis — malicious · 2488da580cb11ef9

MALICIOUS

PDF

33.4 KB Created: 2021-06-22 22:42:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 16d5a180353adcd801cd3df65f3c4dbf SHA-1: 7196be826f016e58a2e2e29e493205ae032618fb SHA-256: 2488da580cb11ef9ea9454f3d5e113ca8ea4021ed18e6ddbb1f6eb84aa03d7e3

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains a lure for a "free generator / game hack" which directs users to a malicious redirector. The document body and embedded URLs strongly suggest a social engineering attempt to trick users into visiting potentially harmful sites. Although no scripts were explicitly extracted, the nature of the lure and the presence of multiple related PDF links indicate a phishing or scamming attempt, likely delivered as a spearphishing attachment.

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/how-to-get-free-robux-on-robloxxxx-game-hack In PDF document text
- https://loba.com.vn/public/upload/files/how-to-get-free-shields-on-coin-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-spins-coin-master-2021-hack_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/hack-coin-master-with-lucky-patcher_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-roblox-accounts-with-robux-2021_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-youtube_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-to-get-free-robux-by-playing-games_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-coins-for-flip-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/hack-passwords-roblox_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-minecraft-bedrock_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/new-free-money-links-coin-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/minecraft-hacked-client_GM479516143.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-robux-hack-generator_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-coin-master-game_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/robux-hack-no-human-verification-no-download-no-survey_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/spin-rewards-coin-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/how-to-get-free-robux-on-roblox-com_GM431946152.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://loba.com.vn/public/upload/files/hack-coin-master-ios_GM406889139.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_off00002d7c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2D7C	21768 bytes
SHA-256: `667a1371d87c80b8326a74c5c97009fdb1a6256ab8d83625f5f05bb427b33e6f`
`font_01_sfnt_off00005d71.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5D71	19056 bytes
SHA-256: `22e79bf31db193f266ad8ef0f47d1a9e736b831aec58415b80c9b2f57893c59e`

Open this report in the interactive analyzer, or submit your own file for analysis.