PDF malware analysis — malicious · 99f7e76d5627ff87

MALICIOUS

PDF

46.3 KB Created: 2021-05-17 14:41:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: a064d13418ef35af9a738650bcb708c4 SHA-1: 4a6f6b36c954f2cfdc2a0d0d832c9376b69d7692 SHA-256: 99f7e76d5627ff8705b0e2d6077c5b2831a59f34d253ed8cd28ddd6c9a2f2d15

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple links to external websites that promise game hacks and unlimited resources, a common lure for malware distribution or phishing. The ML classifier also flagged the PDF as malicious. The embedded links suggest the primary goal is to redirect the user to a potentially harmful site.

Machine Learning

Nyx PDF Classifier malicious score 0.8696

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-spins-and-coins-unlimited-free-download-game-hack PDF link annotation
- http://ladagoterie.fr/images/free-robux-app_GM431946152.pdfIn PDF document text
- http://ladagoterie.fr/images/free-robux-generator-codes_GM431946152.pdfIn PDF document text
- http://ladagoterie.fr/images/minecraft-account-hacked_GM479516143.pdfIn PDF document text
- http://ladagoterie.fr/images/coin-master-card-collection-link_GM406889139.pdfIn PDF document text
- http://ladagoterie.fr/images/daily-spin_GM406889139.pdfIn PDF document text
- http://ladagoterie.fr/images/free-robux-earn_GM431946152.pdfIn PDF document text
- http://ladagoterie.fr/images/rbx-free-robux_GM431946152.pdfIn PDF document text
- http://ladagoterie.fr/images/coin-master-free-gifts_GM406889139.pdfIn PDF document text
- http://ladagoterie.fr/images/roblox-no-download-hack_GM431946152.pdfIn PDF document text
- http://ladagoterie.fr/images/coin-master-free-spins-app_GM406889139.pdfIn PDF document text
- http://ladagoterie.fr/images/minecraft-redeem-code-free_GM479516143.pdfIn PDF document text
- http://ladagoterie.fr/images/coin-master-hack-online-link_GM406889139.pdfIn PDF document text
- http://ladagoterie.fr/images/master-coin-master-free-spin_GM406889139.pdfIn PDF document text
- http://ladagoterie.fr/images/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
- http://ladagoterie.fr/images/coin-master-free-redeem-code_GM406889139.pdfIn PDF document text
- http://ladagoterie.fr/images/hack-coin-master-no-verification_GM406889139.pdfIn PDF document text
- http://ladagoterie.fr/images/claim-roblox_GM431946152.pdfIn PDF document text
- http://ladagoterie.fr/images/bloxland-earn-free-robux_GM431946152.pdfIn PDF document text
- http://ladagoterie.fr/images/free-premium-roblox_GM431946152.pdfIn PDF document text
- http://ladagoterie.fr/images/how-to-get-free-robux-codes_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_off00004867.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4867	27040 bytes
SHA-256: `5fced46b8222d195e52bb81802ae4408c67a3ac2d8a16c94f1d00e410664c8dc`
`font_01_sfnt_off00008689.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8689	2840 bytes
SHA-256: `3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676`
`font_02_sfnt_off0000903b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x903B	19084 bytes
SHA-256: `3caa8a7d0fc813cf6f5b32cad2d70b7396c8f8504cee304b3b4cfd76b23e4d42`

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