PDF malware analysis — malicious · c33090caae586ddd

MALICIOUS

PDF

44.8 KB Created: 2021-06-06 23:49:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 903a9742de0a6cf62402afb5ff97d448 SHA-1: 2b9857f4da283f55e6e856e8b64397cbeab62c20 SHA-256: c33090caae586dddd4249063584396392a7a81d92f0d78a493394f5f32eeb153

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 0.9865

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.tw/app/431946152/how-to-get-unlimited-money-i-roblox-hack-game-hack PDF link annotation
- http://eddegrootassurantien.nl/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/coin-master-34-4-hack_GM406889139.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/free-mods-for-minecraft-pe_GM479516143.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/how-to-download-minecraft-for-free-on-windows-10_GM479516143.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/robux-free-gift-card_GM431946152.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/roblox-executor-free-download_GM431946152.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/free-robux-for-kids-no-verification_GM431946152.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/coin-master-hack-355_GM406889139.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/coin-master-daily-free-coins-link-today_GM406889139.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/coin-master-free-snacks-link_GM406889139.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/free-robux-pastebin_GM431946152.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/coin-master-daily-free-spins-link-today-haktuts_GM406889139.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/minecraft-pe-mod-menu_GM479516143.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/free-robux-websites-that-actually-work_GM431946152.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/free-spins-and-coins-coin-master-2021-link_GM406889139.pdfIn PDF document text
- http://eddegrootassurantien.nl/images/free-robux-legit_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
`stream_004_off000051d0.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x51D0	24132 bytes
SHA-256: `8aa5acae89ba18526c419ab0062a7181a2376dd8b7dd13b55b9ff9410fac7165`
`font_01_sfnt_off00008871.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8871	19568 bytes
SHA-256: `4e962e8b57322708feaf3e2f5d3c4329b23e6b02c0083031b595acda4ae53945`

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