PDF malware analysis — malicious · b072b8fc215d2b09

MALICIOUS

PDF

43.7 KB Created: 2021-05-12 17:02:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 8ab6ec40b240266dd8d3f7760d537faa SHA-1: 62a26654aedb1b09dc5e26c36c02fda53afd3885 SHA-256: b072b8fc215d2b091f7c477e68d10519f157cf9ba015fcf29987f219805b545e

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a lure related to game hacks, specifically for 'Coin Master'. The primary URL, https://netcdn.xyz/app/406889139/coin-master-hack-tool-v1-9-pc-game-hack, suggests a malicious download or redirection attempt. The document body and heuristics indicate a social engineering tactic to trick users into downloading potentially malicious software.

Machine Learning

Nyx PDF Classifier malicious score 0.9648

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-tool-v1-9-pc-game-hack PDF link annotation
- http://5prudov.ru/images/coin-master-fan-hack_GM406889139.pdfIn PDF document text
- http://5prudov.ru/images/coin-master-daily-free-spins-link-haktuts_GM406889139.pdfIn PDF document text
- http://5prudov.ru/images/are-minecraft-realms-free_GM479516143.pdfIn PDF document text
- http://5prudov.ru/images/coin-master-hack-pc-2021_GM406889139.pdfIn PDF document text
- http://5prudov.ru/images/roblox-promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
- http://5prudov.ru/images/free-coin-master-spins-hack_GM406889139.pdfIn PDF document text
- http://5prudov.ru/images/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdfIn PDF document text
- http://5prudov.ru/images/is-there-a-way-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://5prudov.ru/images/how-to-get-minecraft-bedrock-edition-for-free_GM479516143.pdfIn PDF document text
- http://5prudov.ru/images/get-gold-coin-master-village-hack_GM406889139.pdfIn PDF document text
- http://5prudov.ru/images/coin-master-free-spins-and-coins-daily-links_GM406889139.pdfIn PDF document text
- http://5prudov.ru/images/aimbot-exe-roblox_GM431946152.pdfIn PDF document text
- http://5prudov.ru/images/minecraft-free-download-mobile_GM479516143.pdfIn PDF document text
- http://5prudov.ru/images/free-robux-website_GM431946152.pdfIn PDF document text
- http://5prudov.ru/images/coin-master-fb-free-spins-link_GM406889139.pdfIn PDF document text
- http://5prudov.ru/images/como-hackear-coin-master-ios_GM406889139.pdfIn PDF document text
- http://5prudov.ru/images/best-hack-for-coin-master-2021_GM406889139.pdfIn PDF document text
- http://5prudov.ru/images/roblox-hack-me_GM431946152.pdfIn PDF document text
- http://5prudov.ru/images/free-robux-kid-friendly_GM431946152.pdfIn PDF document text
- http://5prudov.ru/images/how-to-get-free-roblox-money_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_off00004530.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4530	25064 bytes
SHA-256: `6509e1a79d1a9a516e538773d75e26adbcb9b70b5f017b22fb78a4f3515ff85d`
`font_01_sfnt_off00007ddd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7DDD	2944 bytes
SHA-256: `e8dca988325d5b5adea380508eed68725fcb814536e93cd420f224b7166adc23`
`font_02_sfnt_off00008808.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8808	18348 bytes
SHA-256: `043ae0b56aad5775724b1167a22d37e7f80b7d9c769434f087fac9bc97f423c4`

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