PDF malware analysis — malicious · 3e88656347c1faee

MALICIOUS

PDF

44.0 KB Created: 2021-05-15 13:33:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 165843af2a15ae7a848c6d6e8f4da4d6 SHA-1: abd09ee31355f42fb5fff23240c03abede948b90 SHA-256: 3e88656347c1faeeccd56dc0caae0104ae3be0c44eefe611bb5c8f5d3dc8f17f

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/406889139/coin-master-hack-online-no-human-verification-game-hack PDF link annotation
- https://belajar.matsaneta.net/__statics/gudangsoal/files/free-magical-chest-coin-master_GM406889139.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/coin-master-hack-software-download_GM406889139.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/roblox-got-talent-piano-hack_GM431946152.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/coin-master-hack-tool-pc_GM406889139.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/roblox-bux-free_GM431946152.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/lazyblocks-com-free-robux_GM431946152.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/bloxawards-com-earn-free-robux_GM431946152.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/free-robux-meme_GM431946152.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/how-to-get-minecraft-pe-for-free_GM479516143.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/easy-robux-hack_GM431946152.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/get-free-robux-now_GM431946152.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/coin-master-hacks-for-android_GM406889139.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/coin-master-free-spins-11-01-2021_GM406889139.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/how-to-o-get-free-coin-master-spins_GM406889139.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/coin-master-20-free-spins-link-today_GM406889139.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/coin-master-apk-hack-mod-download_GM406889139.pdfIn PDF document text
- https://belajar.matsaneta.net/__statics/gudangsoal/files/200-free-spins-coin-master_GM406889139.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_003_off00004af9.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4AF9	27120 bytes
SHA-256: `d33d12430b06950de9d1fd4547bb5687096792935ba433673e0672fd84a44e2b`
`font_01_sfnt_off00008995.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8995	18324 bytes
SHA-256: `44fb42a750761b479d1ff9d84c79b576d569f1302724d8c024f9fb96550a5546`

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