PDF malware analysis — malicious · 17a1f4111a1e9223

MALICIOUS

PDF

45.2 KB Created: 2021-05-12 10:38:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 375c09864cb63a64c543dfee1871ef2e SHA-1: cd9a11cc1ae38c1e2d316e387a30ba971eb0df60 SHA-256: 17a1f4111a1e92233b6ee5bc2c042485b4a2420aeeaaed180d3d5bb158ee0d92

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains numerous embedded links to external websites, many of which are designed to appear as game-related resources but likely serve as a lure for malicious downloads. The heuristic findings indicate a "PDF link farm" and an ML classifier flagged the document as malicious. While no scripts were directly extracted, the PDF structure itself facilitates the redirection to these external URLs, suggesting a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9621

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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/479516143/toolbox-for-minecraft-game-hack
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/coin-master-daily-free-spins-link-facebook_GM406889139.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/how-to-get-minecraft-windows-10-edition-for-free_GM479516143.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/free-coins_GM406889139.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/roblox-hacks-2021_GM431946152.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/free-robux-generator-without-human-verification_GM431946152.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/how-to-hack-golden-card-in-coin-master_GM406889139.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/coin-master-hack-without-human-verification-2021_GM406889139.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/coin-master-free-spins-and-coins-daily_GM406889139.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/how-do-you-get-free-robux_GM431946152.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/free-coin-master-hack-no-verification_GM406889139.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/coin-master-free-spins-whatsapp-link_GM406889139.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/roblox-hack-download_GM431946152.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/master-coin-free-link_GM406889139.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/robux-apk_GM431946152.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/free-robux-hack-us_GM431946152.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/minecraft-pocket-edition-mods-for-free_GM479516143.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/coin-master-pc-game-free-download_GM406889139.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/free-free-robux_GM431946152.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/how-to-get-free-robux-fast_GM431946152.pdf
- http://xn--apartementos-smfora-cala-ratjada-4vc.de/images/buy-robux-free_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004b41.bin` `7ed758bb4b69734a9a301f7ffcafd90cb56ef2d6779405c8ee65e2097a5e23f7`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4B41	25456 bytes
`font_01_sfnt_off00008498.bin` `02b35010e2614e3cc95ac6414c49295350c91fdfcc4b4cad27ffdbc10e80df7f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8498	2912 bytes
`font_02_sfnt_off00008e94.bin` `becd460d7779cc5c3291c33eac3fb6dff78fe3ea9ee1e8d8b5f7e8ecc5cf93f5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8E94	18152 bytes

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