Malicious PDF — malware analysis report

Static analysis result for SHA-256 b94c33a02bf0cfba…

MALICIOUS

PDF

34.0 KB Created: 2021-06-28 00:05:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e6d05a9a05f6e28b546e7d76596023ee SHA-1: a1a052ff1a575ffbc825983ede67966a46e725e0 SHA-256: b94c33a02bf0cfba936f04fbe57ae427111b52ed4e9da3c2624a85697cfdbd70
100 Risk Score

Malware Insights

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

The PDF contains embedded links to external websites, one of which is identified as a known malicious redirector. The document body and extracted URLs suggest a lure for downloading game hacks or cheats, indicating a potential attempt to deliver unwanted or malicious software. The ML classifier also strongly flagged this PDF as malicious.

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/cheat-engine-6.4-roblox-game-hack In PDF document text
    • http://www.psychom.com/storage/editor/files/minecraft-pe-hacks_GM479516143.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/notoriety-roblox-hack-script_GM431946152.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/how-to-get-minecraft-for-free-on-xbox-one_GM479516143.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/how-to-hack-roblox_GM431946152.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/free-robux-no-human-verification-2021-no-survey_GM431946152.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/free-hair-roblox-boy_GM431946152.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/free-robux-survey_GM431946152.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/easy-ways-to-earn-robux-for-free_GM431946152.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/coin-master-free-spins-no-verification_GM406889139.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/how-to-hack-admin-commands-on-roblox-no-injector_GM431946152.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/coinmasterfreespins_GM406889139.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/minecraft-online-free-no-download_GM479516143.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/coin-master-hack-spin_GM406889139.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/coin-master-pet-food-hack_GM406889139.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/free-robux-cheat-download_GM431946152.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/how-to-get-a-lot-of-robux_GM431946152.pdfIn PDF document text
    • http://www.psychom.com/storage/editor/files/free-spins-for-coin-master-game_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_off00002f6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F6E 21784 bytes
SHA-256: e9016e38ab4a3261215e3c995a146033ffc223553627ad6492831a17df039f06
font_01_sfnt_off00005f7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F7F 19172 bytes
SHA-256: 906d2ca4ced36ed108e787e31e54b3f1c57a5fa498c2c303426698e9b374fef9

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