PDF malware analysis — malicious · 3436e4bd25680eb3

MALICIOUS

PDF

34.7 KB Created: 2021-06-18 11:21:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 50872a6e99e6102d3f8496a77bcd31a1 SHA-1: f43bcdb59718b6ed41772d854f4ba5788a391ba8 SHA-256: 3436e4bd25680eb3594fa5fbe6ee6734779b21dac9d857554883cb2e79a33e44

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document presents itself as a game hack or guide, employing social engineering tactics to trick users into downloading further content. The presence of a browser installation lure and external URIs strongly suggests an attempt to deliver a malicious payload. While no scripts were directly extracted, the PDF structure and embedded URLs indicate a malicious workflow designed to exploit user interest in game cheats.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE

Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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 http://netcdn.co/app/431946152/fight-club-roblox-hacking-game-hack PDF link annotation
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-how-to-use-cheat-engine_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-coin-master-coins_GM406889139.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-cheat-in-roblox-ro-ghoul_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/youtube-hack-roblox_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/hack-for-roblox-a-bizzare-day_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-get-20210-robux-free-on-phone_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-minecraft-survival-server_GM479516143.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robux-from-apps_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/getbux-me-free-robux_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-to-hack-on-roblox-saber-wars-alpha_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-tix-hack-2021_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robuxcom-scams_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/troll-hacks-roblox_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/mais-backpack-free-roblox_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/texte-pour-hacker-des-robux_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/can-you-play-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-cheat-guide_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robux-no-verification_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
`font_00_sfnt_off00002f99.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F99	22688 bytes
SHA-256: `779e25fea3e53af9edca1e0a9df7b8d50ce1ff2360ac25a4bd4017d89d0c8ed9`
`font_01_sfnt_off00006252.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6252	19164 bytes
SHA-256: `395b53dbb38a8c29b6ddbab061826136e6b1d7e67b58c16a4ccaac668da2ec83`

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