PDF malware analysis — malicious · 0d5545259003e04a

MALICIOUS

PDF

43.4 KB Created: 2021-06-03 11:54:12 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 504c578f5b2829428d5a60e77fa162b4 SHA-1: d4f58175efde66004ed7b91f7ad1c67b84b7d1f6 SHA-256: 0d5545259003e04a916c00167b28272dcae5c2de8ae3e9b9661034bdbee265fe

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 0.9865

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/431946152/roblox-com-robux-game-hack PDF link annotation
- https://www.insol-europe.org/uploads/files/files/krnl-roblox_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/how-do-you-get-robux-on-roblox_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/roblox-com-free-robux_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/coin-master-hack-pro-gamers_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/get-minecraft-windows-10-free_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/coin-master-2021-free-spins_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-robux-codes-generator-no-verification_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/minecraft-java-hacks_GM479516143.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/coin-master-cheat-free_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/hack-master-coin_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/how-to-get-free-likes-on-tiktok_GM835599320.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/roblox-robux-hack_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-roblox-accounts_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/tiktok-free-followers-apk_GM835599320.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/how-to-get-minecraft-java-for-free_GM479516143.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/martian-lettuce-coin-master-free_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_004_off00004e1e.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4E1E	25364 bytes
SHA-256: `143d037cfebb8a27fb266a192b380e389557ee55e2f3c0aaa2151fa402251679`
`font_01_sfnt_off00008754.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8754	18184 bytes
SHA-256: `f249dc7b85a63207670df4799ed7b071bbb563f249806a7da362391acbd0ae63`

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