PDF malware analysis — malicious · 3c99c0f686e4ef84

MALICIOUS

PDF

45.7 KB Created: 2021-06-03 12:01:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07

MD5: a6413b826494e872569c514d1931696a SHA-1: e0b244b805577a1053a4c4f7e61c66783368e4f9 SHA-256: 3c99c0f686e4ef8434376fc32f3914231765586ab97e31f4a5889d44e0d374fd

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document employs a lure related to game hacks and free generators, specifically mentioning Minecraft. It contains multiple embedded URLs pointing to sites offering such content, with a primary URL identified as a redirector. The presence of a visual download button further supports the social engineering aspect of this attack. No scripts were extracted, but the document's structure and embedded links strongly suggest a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

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.online/app/479516143/minecraft-windows-10-edition-free-with-java-game-hack PDF link annotation
- https://www.insol-europe.org/uploads/files/files/coin-master-free-spins-2021-no-human-verification_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/minecraft-hacks-115-2_GM479516143.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/minecraft-server-free-trial_GM479516143.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/rbx-land-free-robux_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/roblox-speed-hack_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/hack-para-coin-master-singapore_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/coin-master-3rd-village-free-2021-gift-card_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-spins-and-coins-coin-master-2021-link_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/how-to-download-minecraft-for-free-on-mac_GM479516143.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-robux-glitch-2021_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/how-to-hack-people-in-roblox_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/coin-master-cracked-apk-free-download_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/minecraft-bedrock-for-free_GM479516143.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/how-to-hack-someones-account-on-roblox_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-robux-just-click_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/coin-master-free-spins-link-quora_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/how-to-get-minecraft-for-free-on-your-phone_GM479516143.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_004_off0000542e.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x542E	25288 bytes
SHA-256: `73c27f550e5953721f7780c7b7cea8ddb83cd28a652ad656f57f958854e0cc16`
`font_01_sfnt_off00008dfc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8DFC	18972 bytes
SHA-256: `6c20506a37f57d149a2d60f903306920f0d4438cf2101358cedc4e984bc12f18`

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