PDF malware analysis — malicious · 323db4aad95f82ed

MALICIOUS

PDF

41.9 KB Created: 2021-05-14 14:08:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: f77dd04ecab17fcaed5a068a6bab3214 SHA-1: ea4626f90e62c89aef3c7db1a9dd0388409f7fe8 SHA-256: 323db4aad95f82ed6a0d7e508e7be92477531b6792c6f7af2b6ecf707e47a208

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 0.9971

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-ios-2021-game-hack PDF link annotation
- http://paro.net.ua/images/coin-master-hack-app-android-download_GM406889139.pdfIn PDF document text
- http://paro.net.ua/images/coin-master-15-free-spin-link-today_GM406889139.pdfIn PDF document text
- http://paro.net.ua/images/free-coin-master-coins-and-spins_GM406889139.pdfIn PDF document text
- http://paro.net.ua/images/free-robux-instantly_GM431946152.pdfIn PDF document text
- http://paro.net.ua/images/free-coins-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
- http://paro.net.ua/images/haktuts-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://paro.net.ua/images/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
- http://paro.net.ua/images/coin-master-hack-ios-2021_GM406889139.pdfIn PDF document text
- http://paro.net.ua/images/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
- http://paro.net.ua/images/free-spins-coin-master-blogspot_GM406889139.pdfIn PDF document text
- http://paro.net.ua/images/minecraft-java-hacks_GM479516143.pdfIn PDF document text
- http://paro.net.ua/images/is-minecraft-bedrock-free_GM479516143.pdfIn PDF document text
- http://paro.net.ua/images/withdraw-robux_GM431946152.pdfIn PDF document text
- http://paro.net.ua/images/minecraft-free-minecraft_GM479516143.pdfIn PDF document text
- http://paro.net.ua/images/roblox-robux-generator-http-freerobuxgenerator-xyz_GM431946152.pdfIn PDF document text
- http://paro.net.ua/images/free-robux-pins_GM431946152.pdfIn PDF document text
- http://paro.net.ua/images/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
- http://paro.net.ua/images/how-to-hack-coin-master-with-lucky-patcher_GM406889139.pdfIn PDF document text
- http://paro.net.ua/images/free-robux-group-payouts_GM431946152.pdfIn PDF document text
- http://paro.net.ua/images/how-do-i-get-free-spins-on-coin-master_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_off000045ef.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x45EF	25664 bytes
SHA-256: `2756cc4b10c89375e9c2b6dedbd7f4c92c1ebdb7d1e1f0afae5ebdd251839f32`
`font_01_sfnt_off00008151.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8151	18288 bytes
SHA-256: `2b6efa5e62152ff8c49d64075f52aeeb5d732445f14fabab56fec2f8f3dafea1`

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