PDF malware analysis — malicious · 002565bee00fa13f

MALICIOUS

PDF

47.7 KB Created: 2021-06-10 17:47:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 30912a40c7f41dc5b83f24c39d33efdf SHA-1: 37401c4c85a82786cd71bc374e499162dbdb3b51 SHA-256: 002565bee00fa13f7efa7b18c73748ea2e0bb6230c30857cc0c713de38ebe336

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 0.9769

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.tw/app/431946152/roblox-jailbreak-hack-mac-game-hack PDF link annotation
- http://apartmani-mestrovic-krk.hr/files/how-to-download-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/how-do-you-earn-free-coins-for-coin-master_GM406889139.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/minecraft-bedrock-edition-download-pc-free_GM479516143.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/claim-gg-free-robux_GM431946152.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/how-to-hack-rank-up-in-a-roblox-group-easy_GM431946152.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/master-coin-free-link_GM406889139.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/free-minecraft-alt-generator_GM479516143.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/coin-master-hack-spins-2021_GM406889139.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/how-to-hack-coin-master-game_GM406889139.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/roblox-how-to-hack-robux-with-inspect-element_GM431946152.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/minecraft-windows-10-free-trial_GM479516143.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/hacks-roblox_GM431946152.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/coin-master-free-spins-2021-hack_GM406889139.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/coin-master-spin-hack-app_GM406889139.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/free-links-for-coin-master_GM406889139.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/coin-master-free-cards_GM406889139.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/free-coins-coin-master-link_GM406889139.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
`stream_004_off0000517a.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x517A	26132 bytes
SHA-256: `76dcdfa6ff6bfc2290f3e284a019e32c5af132b036741a1adac096270fffbb89`
`font_01_sfnt_off00008ce2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CE2	2844 bytes
SHA-256: `baad2f3f6808f4af03fa9398e38c580c8d846f7f773a947d8cc1f39b2753d31a`
`font_02_sfnt_off000096a4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x96A4	18664 bytes
SHA-256: `b25fd5a273bfd485d75aed4266214bccf2fbd8976def0cca48cb414e32f78b95`

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