PDF malware analysis — malicious · 292fc134edcedc8f

MALICIOUS

PDF

43.2 KB Created: 2021-05-20 01:31:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 9c930bee17ff310cfea1163559c00612 SHA-1: ccc48764911dc81adfa4343d9cad02167b4573cf SHA-256: 292fc134edcedc8f0d429e6810458c392eb08941b4f9c13bb0f407acaaec9fce

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and infrastructure, disguised as lures for game hacks and generators. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs and a visual download button further supports a malicious intent to redirect users to potentially harmful content or downloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

Heuristics 4

PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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
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-free-download-chromebook-game-hack In PDF document text
- http://mountain.mn/uploads/files/free-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/minecraft-tower-defense-2-hacked_GM479516143.pdfIn PDF document text
- http://mountain.mn/uploads/files/robux-offer-wall_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/coin-master-2021_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/free-spin-coin-master-link-today_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/coin-master-rewards-free-spins_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/coin-master-free-stuff_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/coin-master-daily-spins-and-coins_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/jailbreak-roblox-hack_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/roblox-gift-card-for-free_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/cool-minecraft-hacks_GM479516143.pdfIn PDF document text
- http://mountain.mn/uploads/files/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/free-robux-without-any-verification_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/moonactive-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/coin-master-hack-app-link_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/free-roblox-scripts_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
- http://mountain.mn/uploads/files/free-robux-codes-not-used_GM431946152.pdfIn PDF document text
- http://mountain.mn/uploads/files/como-hackear-coin-master-espaol_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_off00004b5d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4B5D	25120 bytes
SHA-256: `746d6a741a728511d5c1c8466c67ea277ceee94ff22ffb3d3af68b713f895899`
`font_01_sfnt_off00008459.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8459	19044 bytes
SHA-256: `5dd9560c2144c6e0c163b4f028c4225137fae20b1a5cdfb52854f5b1068f3385`

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