PDF malware analysis — malicious · a1a732fc2c5e7bee

MALICIOUS

PDF

33.8 KB Created: 2021-07-09 00:39:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: bc0858def92cfd8283b531e1e7b863db SHA-1: b9ee1ad1cee483105a366d6bbd461d26aa8d7d62 SHA-256: a1a732fc2c5e7bee9d8b09106d1c555b66518613fc7a49aa0e459798bc915c3f

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/406889139/get-free-spins-coin-master-october-2021-game-hack PDF link annotation
- http://www.travelone.ae/userfiles/files/drilling-simulator-hack-roblox_GM431946152.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/minecraft-bedrock-download-pc-free_GM479516143.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/coin-master-cards-hack-2021_GM406889139.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/coin-master-code-hack_GM406889139.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/rexex-free-robux_GM431946152.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/minecraft-mojang-free_GM479516143.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/free-minecraft-texture-packs_GM479516143.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/free-roblox-mouth-pack_GM431946152.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/free-modded-minecraft-server-hosting_GM479516143.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/coin-master-games-hack_GM406889139.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/daily-coin-master-spins_GM406889139.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/free-robux-easy-and-fast_GM431946152.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/www-rbxhut-com_GM431946152.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/how-to-make-your-own-minecraft-pe-server-for-free_GM479516143.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/comment-avoir-robux-infini-hack_GM431946152.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/coin-master-gold-cards-free-2021_GM406889139.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://www.travelone.ae/userfiles/files/roblox-booga-booga-hack-cheat-engine_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_002_off00002cec.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2CEC	22728 bytes
SHA-256: `43592320d874e44940b7d8909d1ddce556927a76368fc13dfcb585e502b81527`
`font_01_sfnt_off00005fdc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5FDC	18736 bytes
SHA-256: `d24bd44f963a378335c2134ae658cde7c0ded6a7f4f119891dbb63a453d7c655`

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