PDF malware analysis — malicious · 09c1ae6dcda9c879

MALICIOUS

PDF

43.7 KB Created: 2021-05-16 06:32:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 4d9398a7cd1e243c770198447c3d6992 SHA-1: 29b5449f2a5add406f154b519d5867a80c1f7e55 SHA-256: 09c1ae6dcda9c879a183461028857ed72f06a2ba15ecc0ee4d092aa23976cd9a

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/406889139/500-free-coin-master-spins-game-hack PDF link annotation
- https://www.metal.hr/files/coin-master-codes_GM406889139.pdfIn PDF document text
- https://www.metal.hr/files/how-to-hack-a-roblox-account-easy_GM431946152.pdfIn PDF document text
- https://www.metal.hr/files/free-robux-group_GM431946152.pdfIn PDF document text
- https://www.metal.hr/files/coin-master-free-download_GM406889139.pdfIn PDF document text
- https://www.metal.hr/files/daily-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
- https://www.metal.hr/files/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
- https://www.metal.hr/files/coin-master-free-soins_GM406889139.pdfIn PDF document text
- https://www.metal.hr/files/minecraft-dungeons-free-download-pc_GM479516143.pdfIn PDF document text
- https://www.metal.hr/files/coin-master-hacks-android_GM406889139.pdfIn PDF document text
- https://www.metal.hr/files/hacked-client-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
- https://www.metal.hr/files/cm-free-spins_GM406889139.pdfIn PDF document text
- https://www.metal.hr/files/roblox-april-fools-hack_GM431946152.pdfIn PDF document text
- https://www.metal.hr/files/coin-master-free-spin-and-coin-link-app_GM406889139.pdfIn PDF document text
- https://www.metal.hr/files/free-robux-no-generator_GM431946152.pdfIn PDF document text
- https://www.metal.hr/files/how-to-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.metal.hr/files/free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.metal.hr/files/how-do-we-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.metal.hr/files/coin-master-hack-apk-free-download_GM406889139.pdfIn PDF document text
- https://www.metal.hr/files/wurst-download_GM479516143.pdfIn PDF document text
- https://www.metal.hr/files/coin-master-game-hunters-club_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_off0000461d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x461D	30852 bytes
SHA-256: `d013a62d9f3522f74630073f8535ac4b602f35fb81a322a577ba629740f1abd6`
`font_01_sfnt_off000088f8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x88F8	18192 bytes
SHA-256: `fa9b97764db53bbdcb5733ef4c9d9cb3d8044f2b2a4eb4797e1cb3a317099c79`

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