PDF malware analysis — malicious · 6e7129f5a1b0c8bd

MALICIOUS

PDF

45.2 KB Created: 2021-05-31 22:20:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13

MD5: 67c88e5e8a5eac9d7354858308356896 SHA-1: 5d2ac9d0a1bb7b3fce92384b033f57bb1e1b2bed SHA-256: 6e7129f5a1b0c8bddc7ae896ad63a3b33ada8f591f1bbe460c341445f7cb4e39

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a fake CAPTCHA lure, designed to trick users into interacting with a malicious link. The primary external URI points to a URL associated with game hacks, suggesting a social engineering tactic to deliver a payload. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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/431946152/hack-roblox-traspasar-paredes-game-hack PDF link annotation
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-fans-on-tiktok_GM835599320.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-minecraft-skins_GM479516143.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/minecraft-classic-free_GM479516143.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-tiktok-followers-without-verification_GM835599320.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-minecraft-alt-accounts_GM479516143.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-roblox-accounts-with-robux-2021_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-tiktok-followers-instantly_GM835599320.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/minecraft-java-edition-download-free_GM479516143.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-coin-coin-master_GM406889139.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/minecraft-free-download-windows_GM479516143.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/roblox-fly-hack-download-2021_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/free-roblox-noob-gameplay_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
- https://www.cryptovision.com/wp-content/uploads/fsqm-files/how-to-get-free-robux-no-human-verification-no-waiting_GM431946152.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_off000051c5.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x51C5	25416 bytes
SHA-256: `567132a26c14f51138c9aecf9d1171ea85da0ad71e78ffcb9dce6d0693fbfb71`
`font_01_sfnt_off00008cad.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CAD	18684 bytes
SHA-256: `02ffb625f815b8f6ce01e58952e184c187880e1dce9f15d9238b43bbaaf97ee1`

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