PDF malware analysis — malicious · 4059f9f6766d3dec

MALICIOUS

PDF

53.5 KB Created: 2021-05-31 08:57:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16

MD5: 5003546afd590b46cfd2924de483ca75 SHA-1: acd9c517a79ceb7c78a5e0e632202c86965994ca SHA-256: 4059f9f6766d3dec360c9cd2e1917efa55a2aa9ebb0729f9f49ea1705a05245c

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.003 Windows Command Shell T1204.002 Malicious File

The PDF document contains a lure for downloading an application, indicated by the presence of a download button heuristic and an embedded URL pointing to a potential application download. Furthermore, a heuristic for 'Clipboard command execution lure' suggests the document instructs the user to interact with the command line, likely to execute downloaded malware. The ML classifier also flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.8162

Heuristics 4

Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE

Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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-android-apk-game-hack PDF link annotation
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-tiktok-bots_GM835599320.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-robux-hack-generator_GM431946152.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-tiktok-followers-no-downloads_GM835599320.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/how-to-get-hacks-on-minecraft_GM479516143.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/get-free-likes-on-tiktok_GM835599320.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/how-to-get-free-tiktok-fans_GM835599320.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/how-to-get-minecraft-java-for-free_GM479516143.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-robux-real_GM431946152.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-tiktok-views_GM835599320.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/how-to-install-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/how-to-get-verified-on-tiktok-for-free-2021_GM835599320.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/minecraft-skins-free-girl_GM479516143.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/is-minecraft-dungeons-free_GM479516143.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/robux-free-c_GM431946152.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/roblox-hack-generator_GM431946152.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-tiktok-followers-generator_GM835599320.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/get-free-robux-com_GM431946152.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-coin-master-spins_GM406889139.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-robux-co_GM431946152.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-coin-master-spins-link_GM406889139.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/how-to-get-minecraft-java-edition-for-free_GM479516143.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/minecraft-hacker-skin_GM479516143.pdfIn PDF document text
- https://www.beautybytamar.com/wp-content/uploads/fsqm-files/free-coins-on-coin-master_GM406889139.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_004_off000060d9.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x60D9	28760 bytes
SHA-256: `1dcb72eb2812d526fc46c7a4458102d3449d13b139def47078bb48af3f00f9b4`
`font_01_sfnt_off0000a32b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA32B	2840 bytes
SHA-256: `3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676`
`font_02_sfnt_off0000acdd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xACDD	18652 bytes
SHA-256: `da514dd62c605e9589a68826143cbf513b1d3e336b2b149bc0177c6faf6145ab`

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