PDF malware analysis — malicious · 3f4341ffb163a84e

MALICIOUS

PDF

35.2 KB Created: 2021-07-09 06:19:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 8e3c4f0102de56d516a72a62329295af SHA-1: d4142d47cbd518f4e82519778eef30316a57aae6 SHA-256: 3f4341ffb163a84e2f741ddd0a6543f6038fd53022577ff8a1c0425530ef84cc

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. 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 0.9980

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.tw/app/479516143/how-to-download-minecraft-windows-10-edition-for-free-game-hack PDF link annotation
- https://www.sahebspices.com/uploaded_files/userfiles/files/roblox-account-hack-2021_GM431946152.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/pokemon-go-no-free-raid-pass_GM1094591345.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/free-robux-website_GM431946152.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/coin-master-hack-version-2021-download_GM406889139.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/hack-version-of-coin-master_GM406889139.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/roblox-robux-hack-exe_GM431946152.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-download-apps-or-survey_GM431946152.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/coin-master-hack-no-verification-no-signup_GM406889139.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/free-spins-coinmaster_GM406889139.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/free-robux-app_GM431946152.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/free-part-avatar-roblox_GM431946152.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/how-to-get-free-robux-app_GM431946152.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/how-to-hack-money-on-roblox-jailbreak_GM431946152.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/robux-hacken-ohne-verifizieren_GM431946152.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/coin-master-free-items_GM406889139.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/hack-coin-master-spin_GM406889139.pdfIn PDF document text
- https://www.sahebspices.com/uploaded_files/userfiles/files/robux-hack-generator_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_off000032b0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32B0	22452 bytes
SHA-256: `d13cd5b5d13eb0c51bf76099f67eea27ee3969460991921bd4a173bb04948ad6`
`font_01_sfnt_off000064a2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64A2	19056 bytes
SHA-256: `0faac838ec6b8cc333dbbf8bc12a16db18b66517912c10b8ca4c45f7cd28c043`

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