PDF malware analysis — malicious · 59b0d20f0b7d039b

MALICIOUS

PDF

41.0 KB Created: 2021-05-11 21:39:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: b00d31c226af61b69e7e16c765f9c2d8 SHA-1: 1c47486281ee98000f06b96ef06354e9f6064ee5 SHA-256: 59b0d20f0b7d039bf1c53e2df03d497c9adbe7a10582c8ade473ce6c4601af32

122 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document was flagged as malicious by an ML classifier. It uses a password-protected-archive lure. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 5

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.
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
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 https://netcdn.xyz/app/431946152/robux-prices-game-hack PDF link annotation
- https://www.studio-dentistico-fiume.com/files/free-flip-master-coins_GM406889139.pdfIn PDF document text
- http://studio-dentistico-fiume.com/files/coin-master-hack_GM406889139.pdfIn PDF document text
- http://studio-dentistico-fiume.com/files/can-you-get-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
- http://studio-dentistico-fiume.com/files/how-to-get-free-robux-generator_GM431946152.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/free-spin-coin-master-link-download_GM406889139.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/roblox-hacking-website_GM431946152.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/coin-master-heaven-free-daily-spins_GM406889139.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/minecraft-hacks-wurst_GM479516143.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/coin-master-free-spins-a2z-help_GM406889139.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/1x1x1x1-roblox-id_GM431946152.pdfIn PDF document text
- http://studio-dentistico-fiume.com/files/coin-master-hack-apk-33-download_GM406889139.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/free-robux-codes-no-verification_GM431946152.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/coin-master-free-chest-link_GM406889139.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
- http://studio-dentistico-fiume.com/files/coin-master-free-spins-and-coins-generator_GM406889139.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/my-roblox-account-was-hacked_GM431946152.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/coin-master-hack-no-human-verification-2021_GM406889139.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/huskybuscom-free-robux_GM431946152.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/how-to-make-a-minecraft-bedrock-server-for-free_GM479516143.pdfIn PDF document text
- https://www.studio-dentistico-fiume.com/files/free-hair-roblox_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_off0000486f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x486F	23752 bytes
SHA-256: `f715cacde6fbf193e476f500373316951ed3eac00d414922b5bab60e19568bcd`
`font_01_sfnt_off00007e7b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7E7B	18124 bytes
SHA-256: `d6c4a79c1b877100ce6482b1b164fdc7adac613b1876b5752fde1291de88c7d2`

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