PDF malware analysis — malicious · aad28ea9dde2eb5b

MALICIOUS

PDF

44.7 KB Created: 2021-06-03 11:12:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 194ac17c9d72dbc514e6014487d1de7b SHA-1: 9922c549e64837f9fd04651ca4e999b539c45cec SHA-256: aad28ea9dde2eb5bda862cdc584353d109b5aa8bee33f1e2c7a7af9809ffe115

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 0.9865

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 https://netcdn.online/app/406889139/daily-coin-master-free-spins-game-hack PDF link annotation
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/minecraft-pe-016-0-apk-download-free_GM479516143.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/free-roblox-outfits-2021_GM431946152.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/robux-link_GM431946152.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/free-robux-no-password_GM431946152.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/coin-master-3533-android-hack_GM406889139.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/roblox-jailbreak-hack_GM431946152.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/free-tiktok-accounts-with-followers_GM835599320.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/roblox-online-free_GM431946152.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/how-to-get-creative-mode-in-minecraft-server-hack_GM479516143.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/how-to-hack-someones-account-on-roblox_GM431946152.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/roblox-script-hack_GM431946152.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/tiktok-free-images_GM835599320.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/free-coins-app-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/coin-master-free-spin-and-coins-fbid-links_GM406889139.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/roblox-hacks-for-mac_GM431946152.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/is-there-a-way-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/is-roblox-free-on-pc_GM431946152.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/free-robux-without-verification_GM431946152.pdfIn PDF document text
- https://www.polresbadung.id/new/public/ckfinder/userfiles/files/free-executors-for-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
`stream_004_off00005376.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5376	24632 bytes
SHA-256: `7fcd11527e975bf5abe3a4f568a43515f74e073b8a9454c898236edf35ba78de`
`font_01_sfnt_off00008c4b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8C4B	18308 bytes
SHA-256: `2e377c4e9f27697957871a52337602293a8911c67983c74714bc140e9d069187`

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