Malicious PDF — malware analysis report

Static analysis result for SHA-256 69718f76410babb9…

MALICIOUS

PDF

34.8 KB Created: 2021-06-30 07:41:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: f67479f32a97244301a9c04efdd56116 SHA-1: 472285b54292874cbff7eac484cf93216ea1ac0e SHA-256: 69718f76410babb9658055b7e9a95f6d6b8a616c2bb80abff572236a3e82a6b6
102 Risk Score

Malware Insights

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

The PDF contains numerous embedded URLs and a 'download button' lure, strongly suggesting a phishing or malware distribution attempt. The document body and extracted URLs focus on game cheats and hacks, indicating a lure to trick users into downloading malicious content. The ML classifier also flagged this PDF as malicious with high confidence.

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-roblox-games-to-download-game-hack
    • http://perpus.poltekeskupang.ac.id/repository/free-spins-for-coin-master-2021_GM406889139.pdf
    • http://perpus.poltekeskupang.ac.id/repository/roblox-juwelen-hack-mad-paintball2_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id//repository/minecraft-free-exe_GM479516143.pdf
    • http://perpus.poltekeskupang.ac.id/repository/free-roblox-money_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id/repository/beyblade-rebirth-roblox-hack-v3rmillion_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id/repository/how-to-get-100-free-spins-on-coin-master_GM406889139.pdf
    • http://perpus.poltekeskupang.ac.id//repository/minecraft-noob-vs-pro-vs-hacker_GM479516143.pdf
    • http://perpus.poltekeskupang.ac.id//repository/free-robux-generator-no-human-verification-2021_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id/repository/coin-master-free-spins-cheat_GM406889139.pdf
    • http://perpus.poltekeskupang.ac.id/repository/how-to-get-free-plus-on-meep-city-roblox_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id/repository/free-money-codes-on-roblox-skywars_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id/repository/free-coins-on-coin-master_GM406889139.pdf
    • http://perpus.poltekeskupang.ac.id/repository/roblox-adopt-me-how-to-get-free-money_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id/repository/cheat-to-have-highest-rank-roblox_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id/repository/how-do-you-get-roebucks-for-free_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id//repository/free-robux-generator_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id//repository/hack-coin-master-apk-download_GM406889139.pdf
    • http://perpus.poltekeskupang.ac.id/repository/coin-master-free-spin-download_GM406889139.pdf
    • http://perpus.poltekeskupang.ac.id/repository/bird-simulator-roblox-hack-eagle_GM431946152.pdf
    • http://perpus.poltekeskupang.ac.id/repository/did-some-one-hack-roblox-on-march-18_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003138.bin
7c5a95b9ce1b3d242eddc50aaa9d04c10ae7ed75ff1d8e9c32b36c9c6d1181bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3138 21936 bytes
font_01_sfnt_off000061c4.bin
5771f336f88aff764bf74acca5a72a3a6310d90b0a4521120a5b4a944bbdded4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61C4 19416 bytes

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