Malicious PDF — malware analysis report

Static analysis result for SHA-256 707f19d749e7e032…

MALICIOUS

PDF

42.6 KB Created: 2021-05-17 14:36:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: afc5d93dd49041e6e3bc63d51b0b2456 SHA-1: 60c45f931d2456228f75f534ac7b80ca1c93311d SHA-256: 707f19d749e7e032ee02fee4bf5170397b87a4daf1ef37d415f28d0c77ea4b59
62 Risk Score

Malware Insights

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

The PDF document contains embedded URLs and text that mimic a download lure, specifically promoting free game-related content like Minecraft and Robux. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple external URLs associated with game cheats and rewards indicates a phishing or malware distribution attempt. The document's content and embedded links suggest it is designed to trick users into downloading potentially harmful files.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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/play-full-version-of-minecraft-for-free-no-download-game-hack
    • https://tckontrola.hr/files/coin-master-cheat-codes_GM406889139.pdf
    • https://tckontrola.hr/files/free-robux-obby_GM431946152.pdf
    • http://tckontrola.hr/files/blox-rewards_GM431946152.pdf
    • http://tckontrola.hr/files/robuxhub-net_GM431946152.pdf
    • http://tckontrola.hr/files/hack-coin-master-for-free_GM406889139.pdf
    • http://tckontrola.hr/files/https-rbx-place-rewards_GM431946152.pdf
    • http://tckontrola.hr/files/spin-coin-master-free_GM406889139.pdf
    • https://tckontrola.hr/files/robux-win_GM431946152.pdf
    • https://tckontrola.hr/files/how-to-get-free-robux-without-verifying_GM431946152.pdf
    • http://tckontrola.hr/files/free-roblox-toy-codes_GM431946152.pdf
    • https://tckontrola.hr/files/coin-master-free-online_GM406889139.pdf
    • https://tckontrola.hr/files/how-to-hack-roblox-for-robux_GM431946152.pdf
    • https://tckontrola.hr/files/coin-master-100-free-spins-link_GM406889139.pdf
    • https://tckontrola.hr/files/minecraft-xray-hack_GM479516143.pdf
    • https://tckontrola.hr/files/how-to-install-minecraft-for-free_GM479516143.pdf
    • https://tckontrola.hr/files/real-coin-master-hack_GM406889139.pdf
    • https://tckontrola.hr/files/roblox-2021-hack_GM431946152.pdf
    • http://tckontrola.hr/files/coin-master-hack-game_GM406889139.pdf
    • https://tckontrola.hr/files/coin-master-twitter_GM406889139.pdf
    • http://tckontrola.hr/files/coin-master-cheats-2021_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000049f9.bin
d5de74fc1ec3898db4aa38030b3ac685f1921b4337e343b789c397093cfabf19
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49F9 24508 bytes
font_01_sfnt_off0000825b.bin
72a4985a0f1854ed26b55ec1f9c271b843743081401250fa5f99a0b23226d3ed
pdf-font-stream PDF embedded font (sfnt) at offset 0x825B 18900 bytes