PDF malware analysis — malicious · 042a291c9b0241a8

MALICIOUS

PDF

34.0 KB Created: 2021-07-04 17:25:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 7cb1194d8467425ccd06903b4090004b SHA-1: 37e5e2445761500e794b1f52f3d99ef70a8f1fa0 SHA-256: 042a291c9b0241a808f98e94ee92a52a43be0bc84936dfdbe12785f45b39852b

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/minecraft-hack-mod-game-hack PDF link annotation
- https://www.maverickengineers.com/uploaded_files/userfiles/files/free-to-wear-stuff-roblox_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/robux-download_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/how-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/money-roblox-hack-pastebin_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/how-do-i-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/yt-roblox-free-robux_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/roblox-cheat-engine-murder-mystery_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/how-to-fly-on-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/how-to-get-free-robux-app_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/roblox-rape-cheat_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/robux-free-gift-card_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/how-to-hack-super-hero-tycoon-roblox_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/how-to-hack-roblox-no-survey_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/how-to-start-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/coin-master-time-hack-2021_GM406889139.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/free-bc-for-roblox-codes_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/roblox-free-robux-generator-no-verification_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_off000031ad.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x31AD	21912 bytes
SHA-256: `5d308adfc4adeece21facdddea2f30d1caeaa7e48700bed8bc295f22e4487bf7`
`font_01_sfnt_off00006206.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6206	18340 bytes
SHA-256: `49e8d41e4645ecbcf6c8cca7b2812b927382294641a04bb93a79b652b6b1cc7e`

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