PDF malware analysis — malicious · 10eece60d950dbc8

MALICIOUS

PDF

44.8 KB Created: 2021-05-14 22:05:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: feadd6a1e95e6e4f78801b9e7932ad70 SHA-1: 6ca8c644918c61df2fead4d6a8296b8be936fdb7 SHA-256: 10eece60d950dbc87b967c445501756a3a5faa65b104a9f4ea9f935f4458b233

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The sample is a PDF document that presents a fake CAPTCHA or human verification prompt to lure users into clicking malicious links. The embedded URLs and document body content indicate an attempt to trick users into downloading further malicious content, likely related to game hacks or cheats. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9632

Heuristics 4

Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA

Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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/406889139/coin-master-hack-8-ball-pool-game-hack PDF link annotation
- http://coplaltd.eu/images/coin-master-coins_GM406889139.pdfIn PDF document text
- http://coplaltd.eu/images/free-robux-glitch_GM431946152.pdfIn PDF document text
- http://coplaltd.eu/images/coin-master-hack-trick-2021_GM406889139.pdfIn PDF document text
- http://coplaltd.eu/images/2021-coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
- http://coplaltd.eu/images/free-coin-master-spins_GM406889139.pdfIn PDF document text
- http://coplaltd.eu/images/free-gold-cards-for-coin-master_GM406889139.pdfIn PDF document text
- http://coplaltd.eu/images/free-robux-co_GM431946152.pdfIn PDF document text
- http://coplaltd.eu/images/free-premium-roblox_GM431946152.pdfIn PDF document text
- http://coplaltd.eu/images/minecraft-ios-mods_GM479516143.pdfIn PDF document text
- http://coplaltd.eu/images/free-robux-gift-card-generator_GM431946152.pdfIn PDF document text
- http://coplaltd.eu/images/free-minecraft-hacks_GM479516143.pdfIn PDF document text
- http://coplaltd.eu/images/free-spin-and-daily-news-coin-master_GM406889139.pdfIn PDF document text
- http://coplaltd.eu/images/coin-master-heaven-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
- http://coplaltd.eu/images/free-robux-sites-2021_GM431946152.pdfIn PDF document text
- http://coplaltd.eu/images/coin-master-free-spins-and-coins-haktuts_GM406889139.pdfIn PDF document text
- http://coplaltd.eu/images/minecraft-hacks-18-9_GM479516143.pdfIn PDF document text
- http://coplaltd.eu/images/robux-hack-no-verification_GM431946152.pdfIn PDF document text
- http://coplaltd.eu/images/coin-master-spin-link-free-download_GM406889139.pdfIn PDF document text
- http://coplaltd.eu/images/free-roblox-gear_GM431946152.pdfIn PDF document text
- http://coplaltd.eu/images/unlimited-robux-2021_GM431946152.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_003_off000048b1.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x48B1	25024 bytes
SHA-256: `e8caaeac49ac8c812e438cbd2158114224099d7f92255e11da0fd91ce0133e82`
`font_01_sfnt_off0000817e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x817E	18372 bytes
SHA-256: `a36c8568268bd3843c99b13e037ad7d172b032abb8e2fd77dcfbea09e612cebb`
`font_02_sfnt_off0000a3bb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA3BB	3264 bytes
SHA-256: `e32c06502c11b52acb5e814091c5fdbffd1e2a904ac7a9cfb8b5b180bd139088`

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