PDF malware analysis — malicious · bd980740a5df0a67

MALICIOUS

PDF

50.7 KB Created: 2021-06-01 18:31:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 9ae075757b2450ae591066702ab35a4e SHA-1: d61a23942569c8caa85368c65d0e805f32d702ce SHA-256: bd980740a5df0a67816db88daaf2aca88445f68d8215817a31c4b5916adaab6e

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, many of which are part of a link farm designed to appear as search results for game hacks and free accounts. The primary URL, https://netcdn.xyz/app/431946152/free-account-2021-roblox-game-hack, is likely the intended destination for users seeking illicit game advantages. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9779

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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/free-account-2021-roblox-game-hack
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-to-hack-in-roblox-murderer-mystery-2_GM431946152.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-to-hack-bots-roblox_GM431946152.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/guuud-info-roblox-free-robux_GM431946152.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-to-get-minecraft-windows-10-for-free-2021_GM479516143.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-to-hack-peoples-roblox-accounts_GM431946152.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-robux-2021-hack_GM431946152.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/minecraft-pe-free-apk_GM479516143.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-to-get-clothes-for-free-in-roblox_GM431946152.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/minecraft-download-free-download_GM479516143.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-do-i-get-free-spins-on-coin-master_GM406889139.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-to-hack-roblox-to-get-robux_GM431946152.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/roblox-bucks-for-free_GM431946152.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/eli1t3-roblox-free_GM431946152.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-spins-for-coin-master-game_GM406889139.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/100k-robux-hack_GM431946152.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/wix-site-free-robux_GM431946152.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/how-to-change-roblox-username-for-free_GM431946152.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-minecraft-codes_GM479516143.pdf
- https://www.imparadigitale.it/wp-content/uploads/fsqm-files/free-roblox-jailbreak-vip-server_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off000052d3.bin` `9f740329b1e4fb8ed3f7f5b244520e44aeaa14ddc8d725cce685c6c0c038e68d`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x52D3	28416 bytes
`font_01_sfnt_off000095b3.bin` `450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x95B3	5696 bytes
`font_02_sfnt_off0000a2c5.bin` `86f6167b8808f44022582532352132ed550adb5943e249e1e125ce7de4626aa4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA2C5	18596 bytes

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