PDF malware analysis — malicious · 25be0a48f03b73eb

MALICIOUS

PDF

43.7 KB Created: 2021-05-10 21:41:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 5cb13b183422a3f0eb0082a4ad3d056f SHA-1: efbb29a533dcf0c85540a67afef6bbd587512b8d SHA-256: 25be0a48f03b73ebde9d695cb89144daa4df4880ba62e7d5f8a01cd4e912c59c

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 0.9969

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/how-to-make-a-roblox-group-for-free-game-hack PDF link annotation
- https://smszepce.info/images/how-to-get-free-robux-inspect_GM431946152.pdfIn PDF document text
- https://smszepce.info/images/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
- https://smszepce.info/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://smszepce.info/images/coin-master-heaven-links_GM406889139.pdfIn PDF document text
- https://smszepce.info/images/ac-market-coin-master-hack_GM406889139.pdfIn PDF document text
- https://smszepce.info/images/free-roblox-clothes-boy_GM431946152.pdfIn PDF document text
- https://smszepce.info/images/roblox-troll-outfits-free_GM431946152.pdfIn PDF document text
- https://smszepce.info/images/roblox-apk-hack_GM431946152.pdfIn PDF document text
- https://smszepce.info/images/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
- https://smszepce.info/images/haktuts-coin-master-free-spin-today_GM406889139.pdfIn PDF document text
- https://smszepce.info/images/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
- https://smszepce.info/images/free-roblox-shirt-templates_GM431946152.pdfIn PDF document text
- https://smszepce.info/images/i-want-free-robux_GM431946152.pdfIn PDF document text
- https://smszepce.info/images/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
- https://smszepce.info/images/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
- https://smszepce.info/images/get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- https://smszepce.info/images/minecraft-mods-download-free_GM479516143.pdfIn PDF document text
- https://smszepce.info/images/how-to-hack-roblox-accounts-for-robux_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_off00004ba3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4BA3	25620 bytes
SHA-256: `ee4643b01cd705e4049f3b7e30cb477fe8003c3866704883f9cd4fdacb40c061`
`font_01_sfnt_off00008694.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8694	19020 bytes
SHA-256: `d86a0664516f84ca778de604dc8f5b6c02622b942defeefdc42ca528d3381c5a`

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