PDF malware analysis — malicious · ba458ce1483aa4f2

MALICIOUS

PDF

33.9 KB Created: 2021-06-19 03:34:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 71ce300d5d957ea3cec1a5d8f7fbf7df SHA-1: ad6b7739e43b278edde58e7ce2d4c1f342dc78b1 SHA-256: ba458ce1483aa4f22a6f6b2314831814123fbdf219cb98216f247cb2bd94a9a4

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document employs a common lure of 'free Robux' and game hacks to entice users. It contains a high-risk heuristic firing for a game hack redirect, pointing to the URL http://netcdn.co/app/431946152/haxteam-free-robux-game-hack. This URL is likely used to deliver a second-stage payload or lead the user to a phishing site. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

PDF links to a 'free generator / game hack' redirector high 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.
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
External URI info PDF_URI

PDF contains an external URL action
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/haxteam-free-robux-game-hack PDF link annotation
- https://www.impactlive.ca/userfiles/files/free-stuff-in-roblox-catalog-2021_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/how-to-get-free-robux-by-inspecting-on-mac_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/snapes-free-download-roblox_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/roblox-hack-robux-2021-apk_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/fast-to-use-roblox-hack-scrpits_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/how-to-make-free-roblox-bloxburg_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/how-to-get-a-free-dominus-hat-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/free-base-roblox_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/roblox-hack-robux-generator-ipad_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/roblox-april-fools-hack-2021_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/every-free-item-in-roblox_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/roblox-hack-dungueon-questcom_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/how-to-equip-knife-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/roblox-redline-hack_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/how-to-hack-on-roblox-saber-wars-alpha_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/get-free-money-on-adopt-ke-roblox_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/roblox-sk8r-game-kicked-me-for-no-cheating_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/free-roblox-codes-murder-mystery-2_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/roblox-studio-free-models_GM431946152.pdfIn PDF document text
- https://www.impactlive.ca/userfiles/files/car-dealer-roblox-hack_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_off00002e33.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E33	22176 bytes
SHA-256: `37bf27234982f4541917ed13497d6bbad6000857238567b1c01fad41ca3fc53a`
`font_01_sfnt_off00005f24.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F24	19080 bytes
SHA-256: `eb34a6b26f9ed0dff2f3ead39e06ca04ff6deec1521965bff4d95b940e7471b8`

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