PDF malware analysis — malicious · 0c26ce06ab59d299

MALICIOUS

PDF

45.8 KB Created: 2021-06-03 16:27:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 52c8a3709043ff6df4a41213eb22a45f SHA-1: 7e38b8454cb7835cb0b599b12dda73b6d6b534cc SHA-256: 0c26ce06ab59d29928f73561d2d3fd49e1c522202e895f9b3b37c043a13facf7

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure for free game hacks and currency, directing users to a malicious URL. The ML classifier strongly indicated maliciousness, and the presence of embedded links further supports a phishing or scamming attempt. No scripts were extracted, but the document's structure and embedded URIs are indicative of a social engineering attack.

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/431946152/huskybuscom-free-robux-game-hack PDF link annotation
- https://www.andrology.co.uk/uploads/files/files/minecraft-java-hacks_GM479516143.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/is-minecraft-java-edition-free_GM479516143.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/free-spin-link_GM406889139.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/free-100-robux_GM431946152.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/coin-master-free-gift-cards_GM406889139.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/is-tiktok-free_GM835599320.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/coin-master-hack-pro_GM406889139.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/tiktok-viewer-free_GM835599320.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/coin-master-hack-apk-download-for-android-mobile_GM406889139.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/free-robux-apk_GM431946152.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/download-coin-master-apk-hack_GM406889139.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/coin-master-facebook-hack_GM406889139.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/rbx-free_GM431946152.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/minecraft-free-download-pc_GM479516143.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/i-want-robux_GM431946152.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
- https://www.andrology.co.uk/uploads/files/files/free-spin-coin-master-online_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_off00004eeb.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4EEB	28436 bytes
SHA-256: `2e646d220b4dcfc8b92a98b1977bee85df7087bc7a59e69ecc0536be42e20d93`
`font_01_sfnt_off00008fd7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8FD7	18624 bytes
SHA-256: `f893a3bff8774b7ed5d4e22eaab63b6b5727efd4274e33d815ecbde6c17ee355`

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