PDF malware analysis — malicious · ee12ea4d59a0d7dc

MALICIOUS

PDF

55.0 KB Created: 2021-05-17 01:43:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: becc1c6cc34b0fc9dbfc35791e5e06c1 SHA-1: c3e3e19d4cb6b3f69e37fd3136ff80ea572956dd SHA-256: ee12ea4d59a0d7dcdc97b302844e4b8b8a6b9d9a0b4bc433a7657cea6cd80014

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 0.9400

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.xyz/app/431946152/easy-robux-com-game-hack PDF link annotation
- https://jasabuatlabel.com/ckfinder/userfiles/files/websites-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/coin-master-claim-free-spins_GM406889139.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/coin-master-rewards_GM406889139.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/getrobux-ninja_GM431946152.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/free-spins-coin-master-without-survey_GM406889139.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/free-robux-site_GM431946152.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/how-many-levels-are-there-in-coin-master_GM406889139.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/coinmaster-spin-ml-link_GM406889139.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/how-to-get-minecraft-bedrock-edition-for-free_GM479516143.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/coin-master-cards-for-free_GM406889139.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/can-you-still-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/pixies-gigantic-coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/free-daily-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/coin-master-hack-online-download_GM406889139.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/corn-master_GM406889139.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/how-to-get-20210-robux-for-free_GM431946152.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/roblox-install-free_GM431946152.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/coin-master-free-spins-hack-apk-download_GM406889139.pdfIn PDF document text
- https://jasabuatlabel.com/ckfinder/userfiles/files/coin-master-apk-hack-32_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004c63.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4C63	44508 bytes
SHA-256: `7a9d64c69f0831c3b635253754e8174ebe0b5c89069a5c88b5af262a301827f3`
`font_01_sfnt_off0000aabf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAABF	2880 bytes
SHA-256: `552e62132cae3603ce0819827e44d96a992bd06014cc5080bf3af4b2ea155b3e`
`font_02_sfnt_off0000b497.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB497	18516 bytes
SHA-256: `36708b749d2f425dc7cde5eb6959611b00d5eb9a0badae66bda6d86ebb31f598`

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