PDF malware analysis — malicious · b5bc8fa17b3709ba

MALICIOUS

PDF

42.8 KB Created: 2021-05-17 17:33:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 7963a5c9cd3f0e52a46eb66d58a67e16 SHA-1: 368de8f71de2e568b1a3b4ae82778d4e4f5cc4f9 SHA-256: b5bc8fa17b3709baaa58d7c10adbeef4c33b9a82162bf3547eb3ff407db15518

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document employs a lure related to game hacks and generators to trick users into clicking a link. The primary link, https://netcdn.xyz/app/479516143/minecraft-windows-10-hacks-game-hack, redirects to a malicious site. The document's structure and embedded links suggest it is designed to deliver a second-stage payload or lead the user to a phishing or malware-hosting site.

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/479516143/minecraft-windows-10-hacks-game-hack PDF link annotation
- http://www.harveenent.com/uploaded_files/userfiles/files/daily-coin-master-link_GM406889139.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/coin-master-link-daily-get-free-spins-amp_GM406889139.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/roblox-com-hack_GM431946152.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/coin-master-hack-2021-without-human-verification_GM406889139.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/coin-master-hack-xyz-download-free_GM406889139.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/google-moon-active_GM406889139.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/how-to-play-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/coin-master-34-6-hack_GM406889139.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/spin-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/robux-without-verification_GM431946152.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/robux-gift-card-free_GM431946152.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/how-to-change-your-roblox-username-for-free-2021_GM431946152.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/free-apk-mods-coin-master_GM406889139.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/is-coin-master-free_GM406889139.pdfIn PDF document text
- http://www.harveenent.com/uploaded_files/userfiles/files/free-roblox-accounts-dantdm_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_003_off00004ba0.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4BA0	24436 bytes
SHA-256: `61affabe27e93b23af2a520ac16e9d9952a6a34f5d41de41425edc8b594c789c`
`font_01_sfnt_off000083c9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83C9	18696 bytes
SHA-256: `14f86b407040f424958936cb2b2b49b26067a8980bd50a77917f0563cc1bff87`

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