Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb250836a2fd4317…

MALICIOUS

PDF

35.0 KB Created: 2021-07-06 20:55:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 7458ff4e73bfce5d2a2ea5d6d2b46184 SHA-1: 6ad5d50c5f45cf2ed568c82b2bc1ed91cb7575e2 SHA-256: eb250836a2fd4317716684ba15c32748df346a589f45fe91a18e549b29af6243
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains multiple embedded URLs and a prominent external URI pointing to sites offering free Robux and game hacks, suggesting a lure for potentially malicious downloads. The ML classifier strongly flagged this PDF as malicious, and the presence of a download button lure reinforces the malicious intent. While no scripts were extracted, the overall pattern indicates a phishing or scam attempt to trick users into downloading further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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.tw/app/431946152/free-robux-codes-2021-real-game-hack
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/mcpe-free-download_GM479516143.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/free-robux-without-human-verification_GM431946152.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/free-naruto-shirt-roblox_GM431946152.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/make-your-own-minecraft-server-free_GM479516143.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/roblox-lumber-tycoon-2-xbox-one-cheats_GM431946152.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/roblox-fun-robux_GM431946152.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-fast-and-easy_GM431946152.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/free-pet-food-on-coin-master_GM406889139.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-catalog-2021_GM431946152.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/free-robux-2021-hack_GM431946152.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/roblox-free-roblox_GM431946152.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/how-to-get-free-pets-in-adopt-me-roblox_GM431946152.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-ps4-2021_GM479516143.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/robux-hack-2021_GM431946152.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/free-coins-coin-master-iphone_GM406889139.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/robux-free-2021_GM431946152.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/free-roblox-accounts-with-robux_GM431946152.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/synapse-roblox-free-download_GM431946152.pdf
    • https://elearning.man3kuningan.sch.id/__statics/gudangsoal/files/free-roblox-generator_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030d7.bin
a183f9c24d128ac95793b2dad85fb48400e1280ebdc1304d0df4c69a6ccecda4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x30D7 22332 bytes
font_01_sfnt_off000062a2.bin
58b5540d62ffcbcd0cd09a8102d97fc092b94db7ea089f1030660d7870c6f7c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62A2 19364 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.