Malicious PDF — malware analysis report

Static analysis result for SHA-256 fdbc2033e006db51…

MALICIOUS

PDF

47.6 KB Created: 2021-05-30 04:02:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 373f0f7f6ce960eb9b240cf81cd38a81 SHA-1: af83e974b6c3dd70a61c9bcfda1be4f1f5e6985e SHA-256: fdbc2033e006db51d89df95480573210d68cea22616814d31122cf3e2be5404e
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document exhibits characteristics of an advance-fee scam, using lures related to free game items to entice users. It contains embedded URLs pointing to external resources, likely intended to host or deliver a secondary payload. The ML classifier also flagged this PDF as malicious, supporting the assessment of a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8017

Heuristics 4

  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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/free-minecraft-codes-game-hack
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/get-free-robux-generator_GM431946152.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-name-tag-hacks_GM479516143.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-tiktok-accounts-with-followers_GM835599320.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-pe-free-ios_GM479516143.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/master-coin-free-spin_GM406889139.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/roblox-fly-hack_GM431946152.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-gift-card_GM431946152.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-mobile_GM479516143.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-codes_GM431946152.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-minecraft-accounts-2021_GM479516143.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/is-there-a-way-to-get-free-robux_GM431946152.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-promo-codes-2021_GM431946152.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/coin-master-daily-gift-free-spins-and-coins-link_GM406889139.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/mobihack-net-roblox-hack_GM431946152.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-legit_GM431946152.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/is-minecraft-bedrock-edition-free_GM479516143.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-hack-a-minecraft-server_GM479516143.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/how-to-get-minecraft-for-free-on-pc_GM479516143.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-tiktok-followers-without-verification_GM835599320.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/coin-master-free-spins-and-coins_GM406889139.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/tiktok-minecraft-hacks_GM479516143.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-dungeons-free-download_GM479516143.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-website_GM431946152.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-spins-coin-master-app_GM406889139.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/how-do-u-get-free-robux_GM431946152.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/real-free-robux-codes_GM431946152.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/free-views-on-tiktok_GM835599320.pdf
    • https://hundt-druck.de/wp-content/uploads/fsqm-files/minecraft-bedrock-free_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00005540.bin
af8c556f42021b74b9f8d361dc2142b7a811c3e78a654fecc50a8c6a72f7904f
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5540 25308 bytes
font_01_sfnt_off00008e75.bin
972979c3a46100cf5f8fd289bc6fbd2496ff75fec0e3f6753648c72ec6eba714
pdf-font-stream PDF embedded font (sfnt) at offset 0x8E75 2820 bytes
font_02_sfnt_off00009814.bin
ca0982e5699fcbbad1c272e9f6df792bd17b0fef580afa6f1747d77cedc77eee
pdf-font-stream PDF embedded font (sfnt) at offset 0x9814 17884 bytes