Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e0e694150dcd12d…

MALICIOUS

PDF

34.8 KB Created: 2021-06-19 04:03:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 3b9ce112e12c0b2314652ecd8da70cf7 SHA-1: 4570978e5fb83796fd415b9848d4af453536e9be SHA-256: 5e0e694150dcd12d0a9004d2254df2a6a79e5671676a0120fa19c3704fc2f4c8
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that point to known malicious redirector infrastructure, specifically http://netcdn.co/app/431946152/hacken-on-roblox-hin-zu.zu-game-hack. The document body and heuristics suggest a lure related to game hacks or cheats, aiming to trick users into clicking the malicious link. No scripts were extracted, but the presence of malicious URLs and the ML classifier's high confidence indicate a high likelihood of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/hacken-on-roblox-hin-zu.zu-game-hack In PDF document text
    • http://lib.teknik.unimal.ac.id//repository/free-spins-and-coins-coin-master-facebook_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/hack-coin-master-using-pc_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/minecraft-hacker-mask_GM479516143.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/how-to-hack-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/rbxoffer-com-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/get-coin-master-cards-free_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/robux-win_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/coin-master-free-cards-2021_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/how-to-make-a-free-minecraft-account_GM479516143.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/how-to-send-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-fast-robux_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/roblox-lawsuit_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/coin-master-hack-spins-and-coins-unlimited-free-download_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/pokemon-go-free-2021_GM1094591345.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/how-to-get-free-roblox-money_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-roblox-gift-card-codes-2021-unused_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/play-minecraft-online-free_GM479516143.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/how-to-get-free-animations-on-roblox-with-roblox-studio_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/hack-roblox-exploit_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000327a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x327A 21872 bytes
SHA-256: 032bce2bbcf3138eec21221d940c880a3670c034d12d35b2ee3d72ddfdb81bca
font_01_sfnt_off0000629c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x629C 19156 bytes
SHA-256: 6b5b15354504f1b9502c05b873208a04417504a0d670fa6609ae9a92b97ed607

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