PDF malware analysis — malicious · bd1d97e75e9e7f31

MALICIOUS

PDF

47.2 KB Created: 2021-05-17 05:18:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 3082a39d486236174625f72964bf2044 SHA-1: 902938948bed2e932340141f95bee2225e932eae SHA-256: bd1d97e75e9e7f3116773d034a130ae85c081f6cce9b2cb2f6f688e4afd75545

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 0.8948

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-free-spins-link-download-today-game-hack PDF link annotation
- http://plastic-surgery.pl/images/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/coin-master-free-daily-spins-link-2021_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/free-robux-no-gift-card_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/coin-master-spin-blogspot_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/easy-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/tryrbx-site-free-robux_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/coin-master-free-100-spin-link_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/roblox-cheat-codes_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/free-roblox-money_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/block-best-robux_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/hack-free-spin-coin-master_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/coin-blogspot_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/daily-coin-master_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/minecraft-java-edition-free_GM479516143.pdfIn PDF document text
- http://plastic-surgery.pl/images/coin-master-attack-block-hack_GM406889139.pdfIn PDF document text
- http://plastic-surgery.pl/images/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://plastic-surgery.pl/images/how-to-get-20210-robux-for-free_GM431946152.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_off00004d28.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4D28	27336 bytes
SHA-256: `6edffc920340ed872278d57359e8f830b3c1ab69bd48e234339d64e6b048ab34`
`font_01_sfnt_off00008aef.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8AEF	2812 bytes
SHA-256: `fc92a80cefddbcc51cb4ecd7284aa73b746cbd66adcf1d96110f0323ec06b51f`
`font_02_sfnt_off00009490.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9490	18816 bytes
SHA-256: `7984ac734f2c2edb41e517847f194607c55f1e409037ad7870af27278dae38db`

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