Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd150fc8a2329b10…

MALICIOUS

PDF

34.9 KB Created: 2021-06-30 12:50:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 96242416b44d25592dea25e52c7e1606 SHA-1: e2094f63c4856d9d550bdff305fa9eac9bb4596b SHA-256: bd150fc8a2329b10f677dd67de5f0843d1e5849aa8017234c230458b393d4b9c
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains a large number of external links, many of which are SEO-optimized and point to pages offering game-related hacks and cheats. The ML classifier strongly indicated maliciousness, and the presence of a download button lure suggests an attempt to trick the user into downloading a secondary payload. The document's primary purpose appears to be facilitating the download of malicious content disguised as game cheats.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-hotel-roblox-scripts-game-hack
    • http://opac.akafarma-aceh.ac.id/repository/free-rebirths-roblox-uncopylocked_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/free-roblox-gift-card-codes_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/when-is-rovive-on-roblox-gonna-be-free_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/free-robux-rewards-discord_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/free-roblox-passwords_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/how-do-u-get-free-robux-on-roblox-on-ipad_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/free-unicorn-roblox-adopt-me_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/will-minecraft-dungeons-be-free_GM479516143.pdf
    • http://opac.akafarma-aceh.ac.id/repository/hack-to-get-free-spins-on-coin-master_GM406889139.pdf
    • http://opac.akafarma-aceh.ac.id/repository/free-hoodie-roblox-shirt-template_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/roblox-hack-clients-virus-free_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/free-robux-no-human-vetifycation_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/roblox-free-lvl-7-script-executor-2021-august-2021_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/roblox-lovenet_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/cheat-codes-for-coin-master_GM406889139.pdf
    • http://opac.akafarma-aceh.ac.id/repository/coin-master-hack-safe_GM406889139.pdf
    • http://opac.akafarma-aceh.ac.id/repository/free-robux-for-all-even-noobs_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/free-followers-on-roblox-generator_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/gear-me-hack-roblox-november-2021_GM431946152.pdf
    • http://opac.akafarma-aceh.ac.id/repository/free-black-clover-roblox-accesories_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003175.bin
5ca31e404a0b7cc8dc6b4999b9e1235739f5d98e85b6d6369a950e1075b3d161
pdf-font-stream PDF embedded font (sfnt) at offset 0x3175 22400 bytes
font_01_sfnt_off0000634e.bin
86ea3e3248addf991075ee455dbd668c96be132c17a952fadefb61672100a4f9
pdf-font-stream PDF embedded font (sfnt) at offset 0x634E 19048 bytes