PDF malware analysis — malicious · 615a0dd9b2b46400

MALICIOUS

PDF

45.8 KB Created: 2021-06-08 17:36:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: e0eeaeb4c753f794927b5f06c7c1521d SHA-1: 8c68a80db240a33f1ece9f3e69b877ac0635bb40 SHA-256: 615a0dd9b2b46400e688dd0c63047cae7b67c5d2bb8dd52bf07b2306b2f9d80b

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The document presents a fake CAPTCHA or human verification prompt to trick the user into clicking a link. The embedded URL and numerous other URLs point to sites offering 'free Robux' or similar game-related scams, which are common lures for phishing or malware distribution. No scripts were extracted, but the presence of a fake CAPTCHA and external links strongly suggests a malicious intent to redirect the user to a potentially harmful site.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

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.tw/app/431946152/what-games-give-you-free-robux-no-scams-game-hack PDF link annotation
- https://tjiko.de/wp-content/uploads/fsqm-files/free-disney-plus-accounts-tiktok_GM835599320.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-robux-link_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-robux-easy_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-robux-giveaway_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-tiktok-followers-no-verification-or-survey_GM835599320.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-roblox-exploits_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-roblox-names-and-passwords_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-tiktok-likes-2021_GM835599320.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/hack-para-booga-booga-roblox_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/how-to-make-your-roblox-account-hackerproof_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/hacker-png-roblox_GM431946152.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/minecraft-free-version_GM479516143.pdfIn PDF document text
- https://tjiko.de/wp-content/uploads/fsqm-files/tiktok-free-views_GM835599320.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_off0000525d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x525D	25864 bytes
SHA-256: `a7248b50210d9f6d4c3d658dd15f6651032291428e1e8dbb6a9e75a0478eb620`
`font_01_sfnt_off00008d5e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8D5E	19364 bytes
SHA-256: `3f9cef7aea32324c1050c39f37589acf3284da499dbd59623e7a66cd848afe11`

Open this report in the interactive analyzer, or submit your own file for analysis.