Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9f7e88e089808f5…

MALICIOUS

PDF

34.0 KB Created: 2021-07-01 15:52:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5d40a627f979119137725904255f235c SHA-1: 3dc18710f49d16fce45dd325abbbc15948f6299c SHA-256: a9f7e88e089808f5b7ca47077032dcfaf62c62bd85235ea0362bc5f463f2dc53
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to known malicious infrastructure, specifically promoting game cheats for Roblox. The presence of a visual download button and the ML classifier's high confidence score indicate a malicious intent to trick users into downloading potentially harmful content. The document body and extracted URLs suggest a phishing or scam attempt related to in-game currency and cheats.

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/roblox-prison-lifev2.0-cheats-game-hack In PDF document text
    • http://lib.kunci.or.id/repository/roblox-get-any-item-free-hack_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/hox-to-get-free-item-in-roblox_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/how-to-earn-robux-fast_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/how-to-get-free-robux-without-verifying_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/best-free-robux-obby_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/how-to-get-free-robux-fast_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/freecoins_GM406889139.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/cheat-engine-codes-roblox_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/card-hack-in-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/roblox-hack-rebirth-in-ice-cream-simualtor_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/how-to-get-free-robux-easy-2021_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/get-free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/free-robux-generator-2_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/free-robux-no-human-verification-no-survey_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/free-items-in-roblox-using-toy-codes_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/free-robux-by-downloading-games_GM431946152.pdfIn PDF document text
    • http://lib.kunci.or.id/repository/how-to-get-free-robux-on-iphone_GM431946152.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_off00002f59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F59 21468 bytes
SHA-256: f9e913730f58f6c6319c8dfaaf8eabea898020bf264b699b2f4efc0a3ef9d81e
font_01_sfnt_off00005e59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E59 19504 bytes
SHA-256: ed799afd85489502a6beb840e90238bb620514182d706dc8dc9ac856b8d281e1

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