Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e065e77aaa4ae02…

MALICIOUS

PDF

34.8 KB Created: 2021-06-19 16:59:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-16
MD5: e988e33948c2ba8c32d5c7dc91282f63 SHA-1: c8da4319422ce562babb3a23fdb730e54cd31e1f SHA-256: 3e065e77aaa4ae0258b509c07d65297447e8239bd5b93690c928f66e3b78e184
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document body and embedded URLs indicate a lure for game-related cheats and virtual currency, a common phishing tactic. The PDF contains links to known malicious redirector infrastructure and raw IP addresses, suggesting an attempt to download further malicious content or redirect the user to a compromised site. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • 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.
  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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/how-to-noclip-on-roblox-with-cheat-engine-6.4-game-hack In PDF document text
    • http://103.40.122.33/akasia/repository/happy-birthday-isabella-roblox-speed-hacks_GM431946152.pdfPDF link annotation
    • http://103.40.122.33/akasia/repository/roblox-free-download-ps-vita_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/hack-slash-roblox-id_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-lobby-roblox_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/get-robux-for-fre_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/tiktok-likes-free_GM835599320.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-games-like-minecraft_GM479516143.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/how-to-hack-roblox-free-robux-and-tix-2021_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/robux-hack-2021-febuary-11_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/pastebincom-get-free-robux_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-robux-hack-real-2021_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/robux-free-co_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/hack-roblox-pc-download-scripts-no-noclip_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-robux-online-generator-2021_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/how-to-get-free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/how-to-get-free-roblox-money_GM431946152.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://103.40.122.33/akasia/repository/free-download-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F4B 22312 bytes
SHA-256: 9b85fccfe2252664575359b709e1a95dc2b838e5e8e331ba6189a92c8d8d6a73
font_01_sfnt_off000060c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60C5 19712 bytes
SHA-256: 011ef30805425f118fed9ed993bd3bf5c941af6c46ffc8ee236fc39402fef51c

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