PDF malware analysis — malicious · 2b1540ddc2943fb1

MALICIOUS

PDF

44.4 KB Created: 2021-05-16 12:42:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: d2463a003bb21183c9cc4fc32420de7e SHA-1: d8d3294ddc83e233e1ba6743a2889a522ac77fd6 SHA-256: 2b1540ddc2943fb17ea56715149188b3fc4a953cb14cbcb98add0342b57b03e2

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that redirect to sites offering game hacks and free items, a common lure for phishing or malware distribution. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the PDF structure and embedded URIs strongly suggest an intent to redirect the user to malicious content, likely for credential harvesting or further malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9632

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/431946152/free-roblox-clothes-and-hair-game-hack PDF link annotation
- http://schottlandfieber.de/images/coin-master-free-spins-glitch_GM406889139.pdfIn PDF document text
- http://schottlandfieber.de/images/roblox-rewards-robux_GM431946152.pdfIn PDF document text
- http://schottlandfieber.de/images/roblox-avatar-editor-free_GM431946152.pdfIn PDF document text
- http://schottlandfieber.de/images/coin-master-spin-cheat_GM406889139.pdfIn PDF document text
- http://schottlandfieber.de/images/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
- http://schottlandfieber.de/images/minecraft-building-hacks_GM479516143.pdfIn PDF document text
- http://schottlandfieber.de/images/how-do-you-earn-robux-on-roblox_GM431946152.pdfIn PDF document text
- http://schottlandfieber.de/images/free-robux-now_GM431946152.pdfIn PDF document text
- http://schottlandfieber.de/images/roblox-redeem-codes-free_GM431946152.pdfIn PDF document text
- http://schottlandfieber.de/images/hack-version-coin-master-apk_GM406889139.pdfIn PDF document text
- http://schottlandfieber.de/images/how-to-get-free-robux-no-scam_GM431946152.pdfIn PDF document text
- http://schottlandfieber.de/images/omplete-surveys-for-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://schottlandfieber.de/images/coin-master-free-spins-link-today-ios_GM406889139.pdfIn PDF document text
- http://schottlandfieber.de/images/coin-master-free-coins-twitter_GM406889139.pdfIn PDF document text
- http://schottlandfieber.de/images/minecraft-rtx-download-free_GM479516143.pdfIn PDF document text
- http://schottlandfieber.de/images/free-roblox-adopt-me-pets_GM431946152.pdfIn PDF document text
- http://schottlandfieber.de/images/coin-master-2021_GM406889139.pdfIn PDF document text
- http://schottlandfieber.de/images/minecraft-bedrock-download-pc-free_GM479516143.pdfIn PDF document text
- http://schottlandfieber.de/images/robux-free-com_GM431946152.pdfIn PDF document text
- http://schottlandfieber.de/images/wurst-18_GM479516143.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004891.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4891	24288 bytes
SHA-256: `e71a99c5151d7c849eaf38bb931b1199bcb7c26adbf58212297b5388433d254d`
`font_01_sfnt_off00007fae.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7FAE	2940 bytes
SHA-256: `eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a`
`font_02_sfnt_off000089be.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x89BE	18740 bytes
SHA-256: `673b3b34a813ca04d64a014aa053bc98d322f3acb459f489fab191ba1a2226c9`

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