PDF malware analysis — malicious · f3881b7bfa4d5b2e

MALICIOUS

PDF

42.6 KB Created: 2021-05-13 08:34:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-20

MD5: ca2f273dc90ea9b53d1447ba68a2051e SHA-1: 53cb40d49cf597824bc8bf63f45987266e55c793 SHA-256: f3881b7bfa4d5b2e1d555642fa44b695625d90309a239cd2056aa1b5ea4dc7fd

200 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple heuristics indicating malicious redirection and a lure for game hacks. The embedded URL, https://netcdn.xyz/app/479516143/hacked-client-for-minecraft-bedrock-game-hack, is flagged as malicious. The document body, though heavily obfuscated, contains references to 'Hacked Client For Minecraft Bedrock' and the same malicious URL, reinforcing the lure. The presence of a download button lure and password protection instructions further suggest a malicious workflow designed to trick the user into downloading a payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 5

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.
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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 https://netcdn.xyz/app/479516143/hacked-client-for-minecraft-bedrock-game-hack In PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-rewards_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/roblox-hair-for-free_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-get-free-followers-on-roblox_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/easy-robux-today_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-download-minecraft-for-free-on-windows-10_GM479516143.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-get-free-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/i-didnt-get-my-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/bux-free-robux_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/minecraft-free-demo_GM479516143.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/minecraft-aimbot_GM479516143.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/buy-robux-free_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-free-spin-daily-bonus_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux-exe_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/uprobuxcom-free-robux_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-hack-coin-master-game-without-verification_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-get-minecraft-for-free-on-android_GM479516143.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/who-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/earn-robux-com_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_off00004be2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4BE2	24764 bytes
SHA-256: `f31874eaf17f6caecf007aa6ad912c05178dd106c6bcde00e5eb93cfe822c3e1`
`font_01_sfnt_off0000844d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x844D	18344 bytes
SHA-256: `b450419ed0caa9533e558d664a7e2ff52fef1aac842a5808c0deaab1d85c69fe`

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