Malicious PDF — malware analysis report

Static analysis result for SHA-256 d70c95ea99180206…

MALICIOUS

PDF

41.5 KB Created: 2021-05-14 12:50:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: c33f13064f9508915e7dbcedca8e9ca5 SHA-1: 7646694db5b4e80b15803f2d274fc5af327697c5 SHA-256: d70c95ea99180206a2da1e4cb80ae96351b21042ed1d179aa6c409c4830086a2
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to external websites, many of which are structured as SEO-optimized PDF gateways for popular games like Minecraft and Roblox. The document body and heuristics indicate a lure to download or access free items, which is a common tactic for phishing and scam operations. No scripts were extracted, but the sheer volume of external links suggests a high likelihood of redirection to malicious content or further phishing attempts.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/479516143/play-minecraft-for-free-on-pc-game-hack
    • http://dejipkesbelt.nl/images/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdf
    • http://dejipkesbelt.nl/images/minecraft-sign-up-free_GM479516143.pdf
    • http://dejipkesbelt.nl/images/coin-master-links-to-get-free-spins_GM406889139.pdf
    • http://dejipkesbelt.nl/images/coin-master-free-coin-and-spin-app_GM406889139.pdf
    • http://dejipkesbelt.nl/images/coin-master-free-spin-and-coin_GM406889139.pdf
    • http://dejipkesbelt.nl/images/get-free-robux-generator_GM431946152.pdf
    • http://dejipkesbelt.nl/images/how-to-get-free-robux-without-human-verification_GM431946152.pdf
    • http://dejipkesbelt.nl/images/roblox-hacked-version_GM431946152.pdf
    • http://dejipkesbelt.nl/images/how-to-get-free-robux-youtube_GM431946152.pdf
    • http://dejipkesbelt.nl/images/50-000-free-spins-coin-master_GM406889139.pdf
    • http://dejipkesbelt.nl/images/coin-master-daily-free-spins-link_GM406889139.pdf
    • http://dejipkesbelt.nl/images/how-to-get-free-spins-on-coin-master-without-waiting_GM406889139.pdf
    • http://dejipkesbelt.nl/images/stock-speed-coin-master-free-spins_GM406889139.pdf
    • http://dejipkesbelt.nl/images/google-coin-master-free-spins_GM406889139.pdf
    • http://dejipkesbelt.nl/images/coin-master-free-spins-link-quora_GM406889139.pdf
    • http://dejipkesbelt.nl/images/master-coin-free-link_GM406889139.pdf
    • http://dejipkesbelt.nl/images/free-roebucks_GM431946152.pdf
    • http://dejipkesbelt.nl/images/mcpe-master-coins-hack-download_GM406889139.pdf
    • http://dejipkesbelt.nl/images/promo-code-free-robux_GM431946152.pdf
    • http://dejipkesbelt.nl/images/hack-coin-master-using-pc_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004846.bin
63b983fb9e773a8d6b65b6afd8c322cbcaaf8342ab0fed5101d959663a45cd8d
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4846 25052 bytes
font_01_sfnt_off00008086.bin
0a2b20ee34ef8ab862f65f7214c777895bcb00ebb57d072309a29ba65f102540
pdf-font-stream PDF embedded font (sfnt) at offset 0x8086 18116 bytes