Malicious PDF — malware analysis report

Static analysis result for SHA-256 f33aa479108d0f75…

MALICIOUS

PDF

35.6 KB Created: 2021-06-28 13:01:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: d16d25b0e6f76342bd445fcfc53be136 SHA-1: 3b2c1bf4b8cea9c4469893ee7c8f66c7e7149848 SHA-256: f33aa479108d0f75a51a545fddd05c79165a8e5abf932b1d02f83ac0bceda3ca
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of external links, many of which are SEO-optimized and point to game-related content such as exploits and cheats. The primary URL http://netcdn.co/app/431946152/how-to-exploit-roblox-with-cheat-engine-game-hack suggests a malicious intent to redirect users to potentially harmful content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious link farm designed for user redirection.

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/how-to-exploit-roblox-with-cheat-engine-game-hack
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-roblox-printables_GM431946152.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/roblox-robux_GM431946152.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-robux-no-human-verification-no-survey-no-download-2021_GM431946152.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-minecraft-texture-packs-java_GM479516143.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-draw-2-roblox-kick-people_GM431946152.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-free-spins-only_GM406889139.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/what-is-pubg-uc-carding_GM1330123889.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/download-cheat-engine-for-roblox-winter-crisis_GM431946152.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/does-zyz-ork-to-ge-free-robux_GM431946152.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/roblox-free-abs-t-shirt_GM431946152.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-hacks-for-spins_GM406889139.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/how-to-get-free-faces-in-roblox_GM431946152.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/gamesofficenet-hack-coin-master_GM406889139.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/coin-master-spin-free_GM406889139.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-roblox-script-executor_GM431946152.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-minecraft-account-generator_GM479516143.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/free-spins-and-coins-coin-master_GM406889139.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/pubg-uc-or-g-card_GM1330123889.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/roblox-unblocked-free-no-download_GM431946152.pdf
    • http://royalindianjourney.co.in/uploaded_files/userfiles/files/descargar-coin-master-hack_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032b6.bin
7914e8bc2c34fe2c23468730f99db007bd1dc5866251a660633c1dbf15a6fe29		 pdf-font-stream PDF embedded font (sfnt) at offset 0x32B6 22516 bytes
font_01_sfnt_off000064ca.bin
a52fa6022d3b1b87cbf444a8700f36d638792e4faec0b1fd5beeb3881091cfcd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64CA 19412 bytes

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