Malicious PDF — malware analysis report

Static analysis result for SHA-256 a1b2e8c2af5b72c8…

MALICIOUS

PDF

42.0 KB Created: 2021-05-15 08:07:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 334d78f8f3d84032a51227c287517fdd SHA-1: a1a62d89b23b4a460447e30c31171947b95d4e52 SHA-256: a1b2e8c2af5b72c850a3faa5883c4be2dfd544ae33f74d0b445cfc114a457ab9
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document contains multiple embedded URLs and a heuristic firing for a payment redirection lure, suggesting a scam. The document body text and URLs indicate a lure related to obtaining in-game currency or cheats for games like Roblox and Coin Master. The primary URL, https://netcdn.xyz/app/431946152/i-want-robux-game-hack, is likely the destination for this lure, potentially leading to further malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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/i-want-robux-game-hack
    • https://affinityinsure.ca/files/where-can-i-get-free-coins-for-coin-master_GM406889139.pdf
    • https://affinityinsure.ca/files/coin-master-daily-free-spins-link-facebook_GM406889139.pdf
    • https://affinityinsure.ca/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdf
    • https://affinityinsure.ca/files/coin-master-spin-hack-no-verification_GM406889139.pdf
    • https://affinityinsure.ca/files/free-links-coin-master_GM406889139.pdf
    • https://affinityinsure.ca/files/coin-master-free-spins-link-2021-today_GM406889139.pdf
    • https://affinityinsure.ca/files/how-to-get-free-robux-not-a-scam_GM431946152.pdf
    • https://affinityinsure.ca/files/mangocheats-com-hack-coin-master-cheat_GM406889139.pdf
    • https://affinityinsure.ca/files/free-star-codes-roblox_GM431946152.pdf
    • https://affinityinsure.ca/files/free-spins-and-coins-coin-master-2021-link_GM406889139.pdf
    • https://affinityinsure.ca/files/free-coin-master-cards_GM406889139.pdf
    • https://affinityinsure.ca/files/coin-master-free-daily-spins_GM406889139.pdf
    • https://affinityinsure.ca/files/coin-master-pet-food-free_GM406889139.pdf
    • https://affinityinsure.ca/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdf
    • https://affinityinsure.ca/files/free-gifts-coin-master_GM406889139.pdf
    • https://affinityinsure.ca/files/how-to-get-a-lot-of-robux_GM431946152.pdf
    • https://affinityinsure.ca/files/minecraft-free-minecoins_GM479516143.pdf
    • https://affinityinsure.ca/files/coin-master-free-spins-and-coins-app-download_GM406889139.pdf
    • https://affinityinsure.ca/files/coin-master-free-spins-hack-without-human-verification_GM406889139.pdf
    • https://affinityinsure.ca/files/free-robux-hack-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004b17.bin
70e0af503abaa4a883767b2d63497b4f9bd57a9c528f11fef29bb5532464e503
pdf-font-stream PDF embedded font (sfnt) at offset 0x4B17 23796 bytes
font_01_sfnt_off00008111.bin
5ceec8d4cd94d6b8e3ac451f4e39c134a85daa876f773caa5222e081c049b392
pdf-font-stream PDF embedded font (sfnt) at offset 0x8111 18380 bytes