PDF malware analysis — malicious · 976a0f47f7276685

MALICIOUS

PDF

35.4 KB Created: 2021-06-18 10:15:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: fd70968820fb3dcc103559e13e801371 SHA-1: 7249cb603ed0276c929dc8d79d1a84005cf33172 SHA-256: 976a0f47f727668527a12fd2aea1566f8c2a204a50d2903d041b0d96c4f188fa

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are SEO-optimized and related to game hacks and virtual currency. The primary URL, http://netcdn.co/app/431946152/free-robux-working-game-hack, suggests a lure for downloading an application. The presence of a 'Visual download / call-to-action button lure' heuristic further supports this, indicating the document is designed to prompt user interaction for a download. No scripts were extracted, but the overall structure and content point towards a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-robux-working-game-hack
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/is-minecraft-free-on-xbox_GM479516143.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-military-simulator-how-to-use-hacking-device_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-robux-promo-code-site-youtubecom_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-catalog-hack-script-pastebin_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-jailbreak-noclip-hack-download_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-robux-hack-generator-club-no-survey_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/cerberus-download-free-roblox_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-robux-com-2021_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/coin-master-free-2021-spin-link_GM406889139.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/minecraft-apk-free-download_GM479516143.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/get-the-ninja-animation-for-free-roblox_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-robux-dussel_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/haktuts-coin-master-free-spin-link_GM406889139.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-do-you-get-free-robux-in-2021_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/coin-master-free-coins-2021_GM406889139.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/robux-hack-robuxmaniac_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-get-free-robux-no-human-verification_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-free-robux-add-to-chrome_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-hack-roblox-accounts-pc_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-robux-hack-roblox-2021-april-may-new_GM431946152.pdf
- 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_off000033d5.bin` `a9ebf5ce0c679fa94bfb217ae14d33ff68cce75abfc660b76bc1c4e4c3c6d713`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x33D5	22408 bytes
`font_01_sfnt_off00006594.bin` `fc3f16b7c054a1d0d8f126e273294fb19f0a4d9dccce5dd5becab5cab391859b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6594	19020 bytes

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