PDF malware analysis — malicious · ea148130f8663109

MALICIOUS

PDF

43.8 KB Created: 2021-05-31 07:41:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 34a29e959aa206f4faae7d84ef2567f6 SHA-1: f903a936c64d39d5d25c53e469eced140462ab59 SHA-256: ea148130f8663109b75807c5b9aec3ec9f29a6db16fda8190ff8906ff9e41a42

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and text that mimic download links for game mods and hacks, aiming to trick users into downloading malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple suspicious URLs reinforces this assessment. No scripts were extracted, but the document's structure and content suggest it's a lure for further malicious downloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9683

Heuristics 4

QR-code redirect lure medium SE_QR_LURE

Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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/minecraft-mods-download-free-game-hack
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/roblox-hack-2021_GM431946152.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/free-robux-codes-no-verification_GM431946152.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/minecraft-java-edition-free_GM479516143.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/free-robux-no-survey_GM431946152.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/free-minecraft-skins_GM479516143.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/free-robux-games_GM431946152.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/how-to-hack-someones-account-on-roblox_GM431946152.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/minecraft-skins-free-girl_GM479516143.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/free-robux-hack-generator_GM431946152.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/minecraft-story-mode-free_GM479516143.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/how-to-get-free-tiktok-fans_GM835599320.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/games-that-give-you-free-robux_GM431946152.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/how-to-hack-into-someones-roblox-account_GM431946152.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/free-minecraft-accounts-reddit_GM479516143.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/rblx-gg-free-robux_GM431946152.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/free-roblox-accounts-with-robux-2021_GM431946152.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/roblox-studio-free-robux_GM431946152.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/roblox-free-robux-generator_GM431946152.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/tiktok-follower-bot-free_GM835599320.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/how-to-get-minecraft-for-free-on-pc_GM479516143.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/coin-master-free-spins-and-coins-daily_GM406889139.pdf
- https://caotangmen.org/wp-content/uploads/sites/17/fsqm-files/roblox-fun-com-free-robux_GM431946152.pdf
- https://sigmaclient.info#2
- https://flux.today#3
- https://www.yout
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000050c7.bin` `3bd1059eed630e82809ca487d8ff2e299228a86a1d6726e0d8a47257140ccc98`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x50C7	25024 bytes
`font_01_sfnt_off000088e0.bin` `cdbcc94192cea0c1a32d76b4e8648406db092070658ebd9590606dd52a123660`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x88E0	18292 bytes

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