PDF malware analysis — malicious · 1c4ed3b0e782bedb

MALICIOUS

PDF

46.0 KB Created: 2021-06-03 09:20:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 6112839ebd9d9974bd24bbe1c814e639 SHA-1: 8ec6f78c3879ff780fed59ad2b4b68e2f6b5f2fe SHA-256: 1c4ed3b0e782bedb2ab9bfa509de585d7bc9865e1eea0f49a65fbf25f8adf542

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 0.9864

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/coin-master-free-spin-realme-products-game-hack PDF link annotation
- https://www.laksanatravel.com/ckfinder/userfiles/files/free-online-minecraft-server_GM479516143.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/free-minecraft-skins-xbox-one_GM479516143.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/minecraft-bedrock-free-download_GM479516143.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/e-free-roblox_GM431946152.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/coin-master-hack-here_GM406889139.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/free-robux-instantly_GM431946152.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/coin-master-invite-friends-hack_GM406889139.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/free-diamonds-coin-master_GM406889139.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/how-do-you-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/how-to-get-free-minecoins-in-minecraft_GM479516143.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/free-apk-mods-coin-master_GM406889139.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/www-robux-us_GM431946152.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/coin-master-free-spin-realme-products_GM406889139.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/martian-lettuce-coin-master-free_GM406889139.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/robux-hack-2021_GM431946152.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/minecraft-diamond-finder-hack_GM479516143.pdfIn PDF document text
- https://www.laksanatravel.com/ckfinder/userfiles/files/minecraft-com-free_GM479516143.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_off0000539d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x539D	25900 bytes
SHA-256: `ec9dea85698f4b999972dde7170a4781de70d3215ef9e5858597a0fa3c308577`
`font_01_sfnt_off00009074.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9074	18688 bytes
SHA-256: `2b96984a12e9234f7a54c21b84caea4c40bc9a6928fd3166a16ecb8c3482d419`

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